Account for associated items when denying _
This commit is contained in:
Esteban Küber
parent
a7b727dab3
commit
c6cfcf999a
@ -715,13 +715,21 @@ fn convert_trait_item(tcx: TyCtxt<'_>, trait_item_id: hir::HirId) {
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tcx.generics_of(def_id);
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match trait_item.kind {
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hir::TraitItemKind::Const(..)
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| hir::TraitItemKind::Type(_, Some(_))
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| hir::TraitItemKind::Method(..) => {
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hir::TraitItemKind::Method(..) => {
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tcx.type_of(def_id);
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if let hir::TraitItemKind::Method(..) = trait_item.kind {
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tcx.fn_sig(def_id);
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}
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tcx.fn_sig(def_id);
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}
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hir::TraitItemKind::Const(.., Some(_)) => {
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tcx.type_of(def_id);
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}
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hir::TraitItemKind::Const(..) | hir::TraitItemKind::Type(_, Some(_)) => {
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tcx.type_of(def_id);
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// Account for `const C: _;` and `type T = _;`.
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let mut visitor = PlaceholderHirTyCollector::default();
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visitor.visit_trait_item(trait_item);
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placeholder_type_error(tcx, DUMMY_SP, &[], visitor.0, false);
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}
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hir::TraitItemKind::Type(_, None) => {}
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@ -735,8 +743,18 @@ fn convert_impl_item(tcx: TyCtxt<'_>, impl_item_id: hir::HirId) {
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tcx.generics_of(def_id);
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tcx.type_of(def_id);
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tcx.predicates_of(def_id);
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if let hir::ImplItemKind::Method(..) = tcx.hir().expect_impl_item(impl_item_id).kind {
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tcx.fn_sig(def_id);
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let impl_item = tcx.hir().expect_impl_item(impl_item_id);
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match impl_item.kind {
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hir::ImplItemKind::Method(..) => {
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tcx.fn_sig(def_id);
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}
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hir::ImplItemKind::TyAlias(_) | hir::ImplItemKind::OpaqueTy(_) => {
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// Account for `type T = _;`
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let mut visitor = PlaceholderHirTyCollector::default();
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visitor.visit_impl_item(impl_item);
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placeholder_type_error(tcx, DUMMY_SP, &[], visitor.0, false);
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}
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hir::ImplItemKind::Const(..) => {}
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}
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}
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@ -1,4 +1,5 @@
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#![feature(type_alias_impl_trait)] // Needed for single test `type Y = impl Trait<_>`
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// Needed for `type Y = impl Trait<_>` and `type B = _;`
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#![feature(type_alias_impl_trait, associated_type_defaults)]
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// This test checks that it is not possible to enable global type
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// inference by using the `_` type placeholder.
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@ -188,3 +189,25 @@ type Y = impl Trait<_>;
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fn foo() -> Y {
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Struct
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}
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trait Qux {
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type A;
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type B = _;
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//~^ ERROR the type placeholder `_` is not allowed within types on item signatures
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const C: _;
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//~^ ERROR the type placeholder `_` is not allowed within types on item signatures
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const D: _ = 42;
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//~^ ERROR the type placeholder `_` is not allowed within types on item signatures
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// type E: _; // FIXME: make the parser propagate the existence of `B`
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}
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impl Qux for Struct {
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type A = _;
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//~^ ERROR the type placeholder `_` is not allowed within types on item signatures
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type B = _;
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//~^ ERROR the type placeholder `_` is not allowed within types on item signatures
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const C: _;
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//~^ ERROR the type placeholder `_` is not allowed within types on item signatures
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//~| ERROR associated constant in `impl` without body
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const D: _ = 42;
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//~^ ERROR the type placeholder `_` is not allowed within types on item signatures
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}
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@ -1,35 +1,43 @@
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error: expected identifier, found reserved identifier `_`
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--> $DIR/typeck_type_placeholder_item.rs:153:18
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--> $DIR/typeck_type_placeholder_item.rs:154:18
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LL | struct BadStruct<_>(_);
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| ^ expected identifier, found reserved identifier
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error: expected identifier, found reserved identifier `_`
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--> $DIR/typeck_type_placeholder_item.rs:156:16
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--> $DIR/typeck_type_placeholder_item.rs:157:16
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LL | trait BadTrait<_> {}
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| ^ expected identifier, found reserved identifier
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error: expected identifier, found reserved identifier `_`
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--> $DIR/typeck_type_placeholder_item.rs:169:19
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--> $DIR/typeck_type_placeholder_item.rs:170:19
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LL | struct BadStruct1<_, _>(_);
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| ^ expected identifier, found reserved identifier
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error: expected identifier, found reserved identifier `_`
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--> $DIR/typeck_type_placeholder_item.rs:169:22
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--> $DIR/typeck_type_placeholder_item.rs:170:22
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LL | struct BadStruct1<_, _>(_);
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| ^ expected identifier, found reserved identifier
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error: expected identifier, found reserved identifier `_`
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--> $DIR/typeck_type_placeholder_item.rs:174:19
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--> $DIR/typeck_type_placeholder_item.rs:175:19
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LL | struct BadStruct2<_, T>(_, T);
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| ^ expected identifier, found reserved identifier
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error: associated constant in `impl` without body
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--> $DIR/typeck_type_placeholder_item.rs:208:5
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LL | const C: _;
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| ^^^^^^^^^^-
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| |
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| help: provide a definition for the constant: `= <expr>;`
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error[E0403]: the name `_` is already used for a generic parameter in this item's generic parameters
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--> $DIR/typeck_type_placeholder_item.rs:169:22
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--> $DIR/typeck_type_placeholder_item.rs:170:22
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LL | struct BadStruct1<_, _>(_);
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| - ^ already used
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@ -37,7 +45,7 @@ LL | struct BadStruct1<_, _>(_);
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| first use of `_`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:5:14
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--> $DIR/typeck_type_placeholder_item.rs:6:14
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LL | fn test() -> _ { 5 }
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| ^
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@ -46,7 +54,7 @@ LL | fn test() -> _ { 5 }
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| help: replace with the correct return type: `i32`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:8:16
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--> $DIR/typeck_type_placeholder_item.rs:9:16
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LL | fn test2() -> (_, _) { (5, 5) }
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| -^--^-
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@ -56,7 +64,7 @@ LL | fn test2() -> (_, _) { (5, 5) }
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| help: replace with the correct return type: `(i32, i32)`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:11:15
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--> $DIR/typeck_type_placeholder_item.rs:12:15
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LL | static TEST3: _ = "test";
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| ^
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@ -65,7 +73,7 @@ LL | static TEST3: _ = "test";
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| help: replace `_` with the correct type: `&'static str`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:14:15
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--> $DIR/typeck_type_placeholder_item.rs:15:15
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LL | static TEST4: _ = 145;
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| ^
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@ -74,13 +82,13 @@ LL | static TEST4: _ = 145;
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| help: replace `_` with the correct type: `i32`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:17:15
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--> $DIR/typeck_type_placeholder_item.rs:18:15
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LL | static TEST5: (_, _) = (1, 2);
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| ^^^^^^ not allowed in type signatures
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:20:13
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--> $DIR/typeck_type_placeholder_item.rs:21:13
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LL | fn test6(_: _) { }
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| ^ not allowed in type signatures
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@ -91,7 +99,7 @@ LL | fn test6<T>(_: T) { }
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| ^^^ ^
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:23:18
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--> $DIR/typeck_type_placeholder_item.rs:24:18
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LL | fn test6_b<T>(_: _, _: T) { }
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| ^ not allowed in type signatures
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@ -102,7 +110,7 @@ LL | fn test6_b<T, K>(_: K, _: T) { }
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| ^^^ ^
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:26:30
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--> $DIR/typeck_type_placeholder_item.rs:27:30
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LL | fn test6_c<T, K, L, A, B>(_: _, _: (T, K, L, A, B)) { }
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| ^ not allowed in type signatures
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@ -113,7 +121,7 @@ LL | fn test6_c<T, K, L, A, B, C>(_: C, _: (T, K, L, A, B)) { }
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| ^^^ ^
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:29:13
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--> $DIR/typeck_type_placeholder_item.rs:30:13
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LL | fn test7(x: _) { let _x: usize = x; }
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| ^ not allowed in type signatures
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@ -124,13 +132,13 @@ LL | fn test7<T>(x: T) { let _x: usize = x; }
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| ^^^ ^
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:32:22
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--> $DIR/typeck_type_placeholder_item.rs:33:22
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LL | fn test8(_f: fn() -> _) { }
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| ^ not allowed in type signatures
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:32:22
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--> $DIR/typeck_type_placeholder_item.rs:33:22
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LL | fn test8(_f: fn() -> _) { }
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| ^ not allowed in type signatures
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@ -141,7 +149,7 @@ LL | fn test8<T>(_f: fn() -> T) { }
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| ^^^ ^
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:46:26
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--> $DIR/typeck_type_placeholder_item.rs:47:26
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LL | fn test11(x: &usize) -> &_ {
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| -^
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@ -150,7 +158,7 @@ LL | fn test11(x: &usize) -> &_ {
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| help: replace with the correct return type: `&&usize`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:51:52
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--> $DIR/typeck_type_placeholder_item.rs:52:52
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LL | unsafe fn test12(x: *const usize) -> *const *const _ {
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| --------------^
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@ -159,7 +167,7 @@ LL | unsafe fn test12(x: *const usize) -> *const *const _ {
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| help: replace with the correct return type: `*const *const usize`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:65:8
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--> $DIR/typeck_type_placeholder_item.rs:66:8
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LL | a: _,
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| ^ not allowed in type signatures
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@ -178,13 +186,13 @@ LL | b: (T, T),
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error: missing type for `static` item
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--> $DIR/typeck_type_placeholder_item.rs:71:12
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--> $DIR/typeck_type_placeholder_item.rs:72:12
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LL | static A = 42;
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| ^ help: provide a type for the item: `A: i32`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:73:15
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--> $DIR/typeck_type_placeholder_item.rs:74:15
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LL | static B: _ = 42;
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| ^
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@ -193,13 +201,13 @@ LL | static B: _ = 42;
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| help: replace `_` with the correct type: `i32`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:75:15
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--> $DIR/typeck_type_placeholder_item.rs:76:15
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LL | static C: Option<_> = Some(42);
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| ^^^^^^^^^ not allowed in type signatures
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:78:21
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--> $DIR/typeck_type_placeholder_item.rs:79:21
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LL | fn fn_test() -> _ { 5 }
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| ^
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@ -208,7 +216,7 @@ LL | fn fn_test() -> _ { 5 }
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| help: replace with the correct return type: `i32`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:81:23
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--> $DIR/typeck_type_placeholder_item.rs:82:23
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LL | fn fn_test2() -> (_, _) { (5, 5) }
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| -^--^-
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@ -218,7 +226,7 @@ LL | fn fn_test2() -> (_, _) { (5, 5) }
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| help: replace with the correct return type: `(i32, i32)`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:84:22
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--> $DIR/typeck_type_placeholder_item.rs:85:22
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LL | static FN_TEST3: _ = "test";
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| ^
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@ -227,7 +235,7 @@ LL | static FN_TEST3: _ = "test";
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| help: replace `_` with the correct type: `&'static str`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:87:22
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--> $DIR/typeck_type_placeholder_item.rs:88:22
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LL | static FN_TEST4: _ = 145;
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| ^
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@ -236,13 +244,13 @@ LL | static FN_TEST4: _ = 145;
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| help: replace `_` with the correct type: `i32`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:90:22
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--> $DIR/typeck_type_placeholder_item.rs:91:22
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LL | static FN_TEST5: (_, _) = (1, 2);
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| ^^^^^^ not allowed in type signatures
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:93:20
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--> $DIR/typeck_type_placeholder_item.rs:94:20
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LL | fn fn_test6(_: _) { }
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| ^ not allowed in type signatures
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@ -253,7 +261,7 @@ LL | fn fn_test6<T>(_: T) { }
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| ^^^ ^
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:96:20
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--> $DIR/typeck_type_placeholder_item.rs:97:20
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LL | fn fn_test7(x: _) { let _x: usize = x; }
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| ^ not allowed in type signatures
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@ -264,13 +272,13 @@ LL | fn fn_test7<T>(x: T) { let _x: usize = x; }
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| ^^^ ^
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:99:29
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--> $DIR/typeck_type_placeholder_item.rs:100:29
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LL | fn fn_test8(_f: fn() -> _) { }
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| ^ not allowed in type signatures
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:99:29
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--> $DIR/typeck_type_placeholder_item.rs:100:29
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LL | fn fn_test8(_f: fn() -> _) { }
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| ^ not allowed in type signatures
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@ -281,7 +289,7 @@ LL | fn fn_test8<T>(_f: fn() -> T) { }
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| ^^^ ^
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:122:12
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--> $DIR/typeck_type_placeholder_item.rs:123:12
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LL | a: _,
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| ^ not allowed in type signatures
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@ -300,13 +308,13 @@ LL | b: (T, T),
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error[E0282]: type annotations needed
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--> $DIR/typeck_type_placeholder_item.rs:127:18
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--> $DIR/typeck_type_placeholder_item.rs:128:18
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LL | fn fn_test11(_: _) -> (_, _) { panic!() }
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| ^ cannot infer type
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:127:28
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--> $DIR/typeck_type_placeholder_item.rs:128:28
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LL | fn fn_test11(_: _) -> (_, _) { panic!() }
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| ^ ^ not allowed in type signatures
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@ -314,7 +322,7 @@ LL | fn fn_test11(_: _) -> (_, _) { panic!() }
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| not allowed in type signatures
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:131:30
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--> $DIR/typeck_type_placeholder_item.rs:132:30
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LL | fn fn_test12(x: i32) -> (_, _) { (x, x) }
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| -^--^-
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@ -324,7 +332,7 @@ LL | fn fn_test12(x: i32) -> (_, _) { (x, x) }
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| help: replace with the correct return type: `(i32, i32)`
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error[E0121]: the type placeholder `_` is not allowed within types on item signatures
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--> $DIR/typeck_type_placeholder_item.rs:134:33
|
||||
--> $DIR/typeck_type_placeholder_item.rs:135:33
|
||||
|
|
||||
LL | fn fn_test13(x: _) -> (i32, _) { (x, x) }
|
||||
| ------^-
|
||||
@ -333,7 +341,7 @@ LL | fn fn_test13(x: _) -> (i32, _) { (x, x) }
|
||||
| help: replace with the correct return type: `(i32, i32)`
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:153:21
|
||||
--> $DIR/typeck_type_placeholder_item.rs:154:21
|
||||
|
|
||||
LL | struct BadStruct<_>(_);
|
||||
| ^ not allowed in type signatures
|
||||
@ -344,19 +352,19 @@ LL | struct BadStruct<T>(T);
|
||||
| ^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:158:32
|
||||
--> $DIR/typeck_type_placeholder_item.rs:159:32
|
||||
|
|
||||
LL | impl BadTrait<_> for BadStruct<_> {}
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:158:15
|
||||
--> $DIR/typeck_type_placeholder_item.rs:159:15
|
||||
|
|
||||
LL | impl BadTrait<_> for BadStruct<_> {}
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:158:15
|
||||
--> $DIR/typeck_type_placeholder_item.rs:159:15
|
||||
|
|
||||
LL | impl BadTrait<_> for BadStruct<_> {}
|
||||
| ^ ^ not allowed in type signatures
|
||||
@ -369,13 +377,13 @@ LL | impl<T> BadTrait<T> for BadStruct<T> {}
|
||||
| ^^^ ^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:163:34
|
||||
--> $DIR/typeck_type_placeholder_item.rs:164:34
|
||||
|
|
||||
LL | fn impl_trait() -> impl BadTrait<_> {
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:169:25
|
||||
--> $DIR/typeck_type_placeholder_item.rs:170:25
|
||||
|
|
||||
LL | struct BadStruct1<_, _>(_);
|
||||
| ^ not allowed in type signatures
|
||||
@ -386,7 +394,7 @@ LL | struct BadStruct1<T, _>(T);
|
||||
| ^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:174:25
|
||||
--> $DIR/typeck_type_placeholder_item.rs:175:25
|
||||
|
|
||||
LL | struct BadStruct2<_, T>(_, T);
|
||||
| ^ not allowed in type signatures
|
||||
@ -397,19 +405,19 @@ LL | struct BadStruct2<K, T>(K, T);
|
||||
| ^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:178:14
|
||||
--> $DIR/typeck_type_placeholder_item.rs:179:14
|
||||
|
|
||||
LL | type X = Box<_>;
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:178:14
|
||||
--> $DIR/typeck_type_placeholder_item.rs:179:14
|
||||
|
|
||||
LL | type X = Box<_>;
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:42:27
|
||||
--> $DIR/typeck_type_placeholder_item.rs:43:27
|
||||
|
|
||||
LL | fn test10(&self, _x : _) { }
|
||||
| ^ not allowed in type signatures
|
||||
@ -420,7 +428,7 @@ LL | fn test10<T>(&self, _x : T) { }
|
||||
| ^^^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:139:31
|
||||
--> $DIR/typeck_type_placeholder_item.rs:140:31
|
||||
|
|
||||
LL | fn method_test1(&self, x: _);
|
||||
| ^ not allowed in type signatures
|
||||
@ -431,7 +439,7 @@ LL | fn method_test1<T>(&self, x: T);
|
||||
| ^^^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:141:31
|
||||
--> $DIR/typeck_type_placeholder_item.rs:142:31
|
||||
|
|
||||
LL | fn method_test2(&self, x: _) -> _;
|
||||
| ^ ^ not allowed in type signatures
|
||||
@ -444,7 +452,7 @@ LL | fn method_test2<T>(&self, x: T) -> T;
|
||||
| ^^^ ^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:143:31
|
||||
--> $DIR/typeck_type_placeholder_item.rs:144:31
|
||||
|
|
||||
LL | fn method_test3(&self) -> _;
|
||||
| ^ not allowed in type signatures
|
||||
@ -455,7 +463,7 @@ LL | fn method_test3<T>(&self) -> T;
|
||||
| ^^^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:145:26
|
||||
--> $DIR/typeck_type_placeholder_item.rs:146:26
|
||||
|
|
||||
LL | fn assoc_fn_test1(x: _);
|
||||
| ^ not allowed in type signatures
|
||||
@ -466,7 +474,7 @@ LL | fn assoc_fn_test1<T>(x: T);
|
||||
| ^^^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:147:26
|
||||
--> $DIR/typeck_type_placeholder_item.rs:148:26
|
||||
|
|
||||
LL | fn assoc_fn_test2(x: _) -> _;
|
||||
| ^ ^ not allowed in type signatures
|
||||
@ -479,7 +487,7 @@ LL | fn assoc_fn_test2<T>(x: T) -> T;
|
||||
| ^^^ ^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:149:28
|
||||
--> $DIR/typeck_type_placeholder_item.rs:150:28
|
||||
|
|
||||
LL | fn assoc_fn_test3() -> _;
|
||||
| ^ not allowed in type signatures
|
||||
@ -490,7 +498,7 @@ LL | fn assoc_fn_test3<T>() -> T;
|
||||
| ^^^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:60:37
|
||||
--> $DIR/typeck_type_placeholder_item.rs:61:37
|
||||
|
|
||||
LL | fn clone_from(&mut self, other: _) { *self = Test9; }
|
||||
| ^ not allowed in type signatures
|
||||
@ -501,7 +509,7 @@ LL | fn clone_from<T>(&mut self, other: T) { *self = Test9; }
|
||||
| ^^^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:109:34
|
||||
--> $DIR/typeck_type_placeholder_item.rs:110:34
|
||||
|
|
||||
LL | fn fn_test10(&self, _x : _) { }
|
||||
| ^ not allowed in type signatures
|
||||
@ -512,7 +520,7 @@ LL | fn fn_test10<T>(&self, _x : T) { }
|
||||
| ^^^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:117:41
|
||||
--> $DIR/typeck_type_placeholder_item.rs:118:41
|
||||
|
|
||||
LL | fn clone_from(&mut self, other: _) { *self = FnTest9; }
|
||||
| ^ not allowed in type signatures
|
||||
@ -523,25 +531,46 @@ LL | fn clone_from<T>(&mut self, other: T) { *self = FnTest9; }
|
||||
| ^^^ ^
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:163:34
|
||||
--> $DIR/typeck_type_placeholder_item.rs:164:34
|
||||
|
|
||||
LL | fn impl_trait() -> impl BadTrait<_> {
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:185:21
|
||||
--> $DIR/typeck_type_placeholder_item.rs:186:21
|
||||
|
|
||||
LL | type Y = impl Trait<_>;
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:185:21
|
||||
--> $DIR/typeck_type_placeholder_item.rs:186:21
|
||||
|
|
||||
LL | type Y = impl Trait<_>;
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:39:24
|
||||
--> $DIR/typeck_type_placeholder_item.rs:195:14
|
||||
|
|
||||
LL | type B = _;
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:197:14
|
||||
|
|
||||
LL | const C: _;
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:199:14
|
||||
|
|
||||
LL | const D: _ = 42;
|
||||
| ^
|
||||
| |
|
||||
| not allowed in type signatures
|
||||
| help: replace `_` with the correct type: `i32`
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:40:24
|
||||
|
|
||||
LL | fn test9(&self) -> _ { () }
|
||||
| ^
|
||||
@ -550,7 +579,7 @@ LL | fn test9(&self) -> _ { () }
|
||||
| help: replace with the correct return type: `()`
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:57:24
|
||||
--> $DIR/typeck_type_placeholder_item.rs:58:24
|
||||
|
|
||||
LL | fn clone(&self) -> _ { Test9 }
|
||||
| ^
|
||||
@ -559,7 +588,7 @@ LL | fn clone(&self) -> _ { Test9 }
|
||||
| help: replace with the correct return type: `Test9`
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:106:31
|
||||
--> $DIR/typeck_type_placeholder_item.rs:107:31
|
||||
|
|
||||
LL | fn fn_test9(&self) -> _ { () }
|
||||
| ^
|
||||
@ -568,7 +597,7 @@ LL | fn fn_test9(&self) -> _ { () }
|
||||
| help: replace with the correct return type: `()`
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:114:28
|
||||
--> $DIR/typeck_type_placeholder_item.rs:115:28
|
||||
|
|
||||
LL | fn clone(&self) -> _ { FnTest9 }
|
||||
| ^
|
||||
@ -576,7 +605,34 @@ LL | fn clone(&self) -> _ { FnTest9 }
|
||||
| not allowed in type signatures
|
||||
| help: replace with the correct return type: `main::FnTest9`
|
||||
|
||||
error: aborting due to 63 previous errors
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:204:14
|
||||
|
|
||||
LL | type A = _;
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:206:14
|
||||
|
|
||||
LL | type B = _;
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:208:14
|
||||
|
|
||||
LL | const C: _;
|
||||
| ^ not allowed in type signatures
|
||||
|
||||
error[E0121]: the type placeholder `_` is not allowed within types on item signatures
|
||||
--> $DIR/typeck_type_placeholder_item.rs:211:14
|
||||
|
|
||||
LL | const D: _ = 42;
|
||||
| ^
|
||||
| |
|
||||
| not allowed in type signatures
|
||||
| help: replace `_` with the correct type: `i32`
|
||||
|
||||
error: aborting due to 71 previous errors
|
||||
|
||||
Some errors have detailed explanations: E0121, E0282, E0403.
|
||||
For more information about an error, try `rustc --explain E0121`.
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user