Use revisions for NLL in impl-trait
This commit is contained in:
Jack Huey
parent
707d2ebb5b
commit
b9f241d407
@ -1,7 +1,5 @@
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// edition:2018
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// check-pass
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// revisions: migrate mir
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//[mir]compile-flags: -Z borrowck=mir
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trait Trait<'a, 'b> {}
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impl<T> Trait<'_, '_> for T {}
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@ -1,5 +1,5 @@
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error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
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--> $DIR/must_outlive_least_region_or_bound.rs:3:35
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--> $DIR/must_outlive_least_region_or_bound.rs:7:35
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LL | fn elided(x: &i32) -> impl Copy { x }
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| ---- ^
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@ -12,7 +12,7 @@ LL | fn elided(x: &i32) -> impl Copy + '_ { x }
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| ++++
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error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
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--> $DIR/must_outlive_least_region_or_bound.rs:6:44
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--> $DIR/must_outlive_least_region_or_bound.rs:10:44
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LL | fn explicit<'a>(x: &'a i32) -> impl Copy { x }
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| -- ^
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@ -25,7 +25,7 @@ LL | fn explicit<'a>(x: &'a i32) -> impl Copy + 'a { x }
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| ++++
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error[E0759]: `x` has an anonymous lifetime `'_` but it needs to satisfy a `'static` lifetime requirement
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--> $DIR/must_outlive_least_region_or_bound.rs:9:46
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--> $DIR/must_outlive_least_region_or_bound.rs:13:46
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LL | fn elided2(x: &i32) -> impl Copy + 'static { x }
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| ---- ^ ...is used here...
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@ -33,7 +33,7 @@ LL | fn elided2(x: &i32) -> impl Copy + 'static { x }
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| this data with an anonymous lifetime `'_`...
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note: ...and is required to live as long as `'static` here
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--> $DIR/must_outlive_least_region_or_bound.rs:9:24
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--> $DIR/must_outlive_least_region_or_bound.rs:13:24
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LL | fn elided2(x: &i32) -> impl Copy + 'static { x }
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| ^^^^^^^^^^^^^^^^^^^
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@ -47,7 +47,7 @@ LL | fn elided2(x: &'static i32) -> impl Copy + 'static { x }
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| ~~~~~~~~~~~~
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error[E0759]: `x` has lifetime `'a` but it needs to satisfy a `'static` lifetime requirement
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--> $DIR/must_outlive_least_region_or_bound.rs:11:55
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--> $DIR/must_outlive_least_region_or_bound.rs:17:55
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LL | fn explicit2<'a>(x: &'a i32) -> impl Copy + 'static { x }
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| ------- ^ ...is used here...
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@ -55,7 +55,7 @@ LL | fn explicit2<'a>(x: &'a i32) -> impl Copy + 'static { x }
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| this data with lifetime `'a`...
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note: ...and is required to live as long as `'static` here
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--> $DIR/must_outlive_least_region_or_bound.rs:11:33
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--> $DIR/must_outlive_least_region_or_bound.rs:17:33
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LL | fn explicit2<'a>(x: &'a i32) -> impl Copy + 'static { x }
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| ^^^^^^^^^^^^^^^^^^^
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@ -69,7 +69,7 @@ LL | fn explicit2<'a>(x: &'static i32) -> impl Copy + 'static { x }
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| ~~~~~~~~~~~~
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error[E0621]: explicit lifetime required in the type of `x`
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--> $DIR/must_outlive_least_region_or_bound.rs:13:24
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--> $DIR/must_outlive_least_region_or_bound.rs:21:24
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LL | fn foo<'a>(x: &i32) -> impl Copy + 'a { x }
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| ---- ^^^^^^^^^^^^^^ lifetime `'a` required
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@ -77,7 +77,7 @@ LL | fn foo<'a>(x: &i32) -> impl Copy + 'a { x }
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| help: add explicit lifetime `'a` to the type of `x`: `&'a i32`
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error[E0759]: `x` has an anonymous lifetime `'_` but it needs to satisfy a `'static` lifetime requirement
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--> $DIR/must_outlive_least_region_or_bound.rs:24:65
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--> $DIR/must_outlive_least_region_or_bound.rs:36:65
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LL | fn elided5(x: &i32) -> (Box<dyn Debug>, impl Debug) { (Box::new(x), x) }
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| ---- this data with an anonymous lifetime `'_`... ^ ...is used and required to live as long as `'static` here
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@ -92,13 +92,13 @@ LL | fn elided5(x: &i32) -> (Box<dyn Debug>, impl Debug + '_) { (Box::new(x), x)
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| ++++
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error[E0759]: `x` has lifetime `'a` but it needs to satisfy a `'static` lifetime requirement
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--> $DIR/must_outlive_least_region_or_bound.rs:29:69
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--> $DIR/must_outlive_least_region_or_bound.rs:43:69
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LL | fn with_bound<'a>(x: &'a i32) -> impl LifetimeTrait<'a> + 'static { x }
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| ------- this data with lifetime `'a`... ^ ...is used here...
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note: ...and is required to live as long as `'static` here
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--> $DIR/must_outlive_least_region_or_bound.rs:29:34
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--> $DIR/must_outlive_least_region_or_bound.rs:43:34
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LL | fn with_bound<'a>(x: &'a i32) -> impl LifetimeTrait<'a> + 'static { x }
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -112,10 +112,10 @@ LL | fn with_bound<'a>(x: &'static i32) -> impl LifetimeTrait<'a> + 'static { x
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| ~~~~~~~~~~~~
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error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
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--> $DIR/must_outlive_least_region_or_bound.rs:34:5
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--> $DIR/must_outlive_least_region_or_bound.rs:50:5
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LL | fn move_lifetime_into_fn<'a, 'b>(x: &'a u32, y: &'b u32) -> impl Fn(&'a u32) {
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| -- hidden type `[closure@$DIR/must_outlive_least_region_or_bound.rs:34:5: 34:31]` captures the lifetime `'b` as defined here
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| -- hidden type `[closure@$DIR/must_outlive_least_region_or_bound.rs:50:5: 50:31]` captures the lifetime `'b` as defined here
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LL | move |_| println!("{}", y)
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -125,7 +125,7 @@ LL | fn move_lifetime_into_fn<'a, 'b>(x: &'a u32, y: &'b u32) -> impl Fn(&'a u32
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| ++++
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error[E0310]: the parameter type `T` may not live long enough
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--> $DIR/must_outlive_least_region_or_bound.rs:38:51
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--> $DIR/must_outlive_least_region_or_bound.rs:54:51
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LL | fn ty_param_wont_outlive_static<T:Debug>(x: T) -> impl Debug + 'static {
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| ^^^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
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@ -136,7 +136,7 @@ LL | fn ty_param_wont_outlive_static<T:Debug + 'static>(x: T) -> impl Debug + 's
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| +++++++++
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error[E0759]: `x` has an anonymous lifetime `'_` but it needs to satisfy a `'static` lifetime requirement
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--> $DIR/must_outlive_least_region_or_bound.rs:16:50
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--> $DIR/must_outlive_least_region_or_bound.rs:24:50
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LL | fn elided3(x: &i32) -> Box<dyn Debug> { Box::new(x) }
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| ---- ^ ...is used and required to live as long as `'static` here
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@ -144,7 +144,7 @@ LL | fn elided3(x: &i32) -> Box<dyn Debug> { Box::new(x) }
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| this data with an anonymous lifetime `'_`...
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note: `'static` lifetime requirement introduced by the return type
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--> $DIR/must_outlive_least_region_or_bound.rs:16:28
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--> $DIR/must_outlive_least_region_or_bound.rs:24:28
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LL | fn elided3(x: &i32) -> Box<dyn Debug> { Box::new(x) }
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| ^^^^^^^^^ ----------- because of this returned expression
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@ -156,7 +156,7 @@ LL | fn elided3(x: &i32) -> Box<dyn Debug + '_> { Box::new(x) }
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| ++++
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error[E0759]: `x` has lifetime `'a` but it needs to satisfy a `'static` lifetime requirement
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--> $DIR/must_outlive_least_region_or_bound.rs:18:59
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--> $DIR/must_outlive_least_region_or_bound.rs:27:59
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LL | fn explicit3<'a>(x: &'a i32) -> Box<dyn Debug> { Box::new(x) }
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| ------- ^ ...is used and required to live as long as `'static` here
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@ -164,7 +164,7 @@ LL | fn explicit3<'a>(x: &'a i32) -> Box<dyn Debug> { Box::new(x) }
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| this data with lifetime `'a`...
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note: `'static` lifetime requirement introduced by the return type
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--> $DIR/must_outlive_least_region_or_bound.rs:18:37
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--> $DIR/must_outlive_least_region_or_bound.rs:27:37
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LL | fn explicit3<'a>(x: &'a i32) -> Box<dyn Debug> { Box::new(x) }
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| ^^^^^^^^^ ----------- because of this returned expression
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@ -176,7 +176,7 @@ LL | fn explicit3<'a>(x: &'a i32) -> Box<dyn Debug + 'a> { Box::new(x) }
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| ++++
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error[E0759]: `x` has an anonymous lifetime `'_` but it needs to satisfy a `'static` lifetime requirement
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--> $DIR/must_outlive_least_region_or_bound.rs:20:60
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--> $DIR/must_outlive_least_region_or_bound.rs:30:60
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LL | fn elided4(x: &i32) -> Box<dyn Debug + 'static> { Box::new(x) }
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| ---- ^ ...is used and required to live as long as `'static` here
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@ -184,7 +184,7 @@ LL | fn elided4(x: &i32) -> Box<dyn Debug + 'static> { Box::new(x) }
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| this data with an anonymous lifetime `'_`...
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note: `'static` lifetime requirement introduced by the return type
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--> $DIR/must_outlive_least_region_or_bound.rs:20:40
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--> $DIR/must_outlive_least_region_or_bound.rs:30:40
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LL | fn elided4(x: &i32) -> Box<dyn Debug + 'static> { Box::new(x) }
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| ^^^^^^^ ----------- because of this returned expression
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@ -200,13 +200,13 @@ LL | fn elided4(x: &'static i32) -> Box<dyn Debug + 'static> { Box::new(x) }
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| ~~~~~~~~~~~~
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error[E0759]: `x` has lifetime `'a` but it needs to satisfy a `'static` lifetime requirement
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--> $DIR/must_outlive_least_region_or_bound.rs:22:69
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--> $DIR/must_outlive_least_region_or_bound.rs:33:69
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LL | fn explicit4<'a>(x: &'a i32) -> Box<dyn Debug + 'static> { Box::new(x) }
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| ------- this data with lifetime `'a`... ^ ...is used and required to live as long as `'static` here
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note: `'static` lifetime requirement introduced by the return type
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--> $DIR/must_outlive_least_region_or_bound.rs:22:49
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--> $DIR/must_outlive_least_region_or_bound.rs:33:49
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LL | fn explicit4<'a>(x: &'a i32) -> Box<dyn Debug + 'static> { Box::new(x) }
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| ^^^^^^^ ----------- because of this returned expression
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@ -1,5 +1,5 @@
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error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
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--> $DIR/must_outlive_least_region_or_bound.rs:3:35
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--> $DIR/must_outlive_least_region_or_bound.rs:7:35
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LL | fn elided(x: &i32) -> impl Copy { x }
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| ---- ^
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@ -12,7 +12,7 @@ LL | fn elided(x: &i32) -> impl Copy + '_ { x }
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| ++++
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error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
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--> $DIR/must_outlive_least_region_or_bound.rs:6:44
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--> $DIR/must_outlive_least_region_or_bound.rs:10:44
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LL | fn explicit<'a>(x: &'a i32) -> impl Copy { x }
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| -- ^
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@ -25,7 +25,7 @@ LL | fn explicit<'a>(x: &'a i32) -> impl Copy + 'a { x }
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error: lifetime may not live long enough
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--> $DIR/must_outlive_least_region_or_bound.rs:9:46
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--> $DIR/must_outlive_least_region_or_bound.rs:13:46
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LL | fn elided2(x: &i32) -> impl Copy + 'static { x }
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| - ^ returning this value requires that `'1` must outlive `'static`
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@ -42,7 +42,7 @@ LL | fn elided2(x: &'static i32) -> impl Copy + 'static { x }
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| ~~~~~~~~~~~~
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error: lifetime may not live long enough
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--> $DIR/must_outlive_least_region_or_bound.rs:11:55
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--> $DIR/must_outlive_least_region_or_bound.rs:17:55
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LL | fn explicit2<'a>(x: &'a i32) -> impl Copy + 'static { x }
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| -- lifetime `'a` defined here ^ returning this value requires that `'a` must outlive `'static`
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@ -57,7 +57,7 @@ LL | fn explicit2<'a>(x: &'static i32) -> impl Copy + 'static { x }
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| ~~~~~~~~~~~~
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error[E0621]: explicit lifetime required in the type of `x`
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--> $DIR/must_outlive_least_region_or_bound.rs:13:41
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--> $DIR/must_outlive_least_region_or_bound.rs:21:41
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LL | fn foo<'a>(x: &i32) -> impl Copy + 'a { x }
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| ---- ^ lifetime `'a` required
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@ -65,7 +65,7 @@ LL | fn foo<'a>(x: &i32) -> impl Copy + 'a { x }
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| help: add explicit lifetime `'a` to the type of `x`: `&'a i32`
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error: lifetime may not live long enough
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--> $DIR/must_outlive_least_region_or_bound.rs:24:55
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--> $DIR/must_outlive_least_region_or_bound.rs:36:55
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LL | fn elided5(x: &i32) -> (Box<dyn Debug>, impl Debug) { (Box::new(x), x) }
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| - ^^^^^^^^^^^^^^^^ returning this value requires that `'1` must outlive `'static`
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@ -82,7 +82,7 @@ LL | fn elided5(x: &i32) -> (Box<dyn Debug>, impl Debug + '_) { (Box::new(x), x)
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| ++++
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error: lifetime may not live long enough
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--> $DIR/must_outlive_least_region_or_bound.rs:29:69
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--> $DIR/must_outlive_least_region_or_bound.rs:43:69
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LL | fn with_bound<'a>(x: &'a i32) -> impl LifetimeTrait<'a> + 'static { x }
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| -- lifetime `'a` defined here ^ returning this value requires that `'a` must outlive `'static`
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@ -97,10 +97,10 @@ LL | fn with_bound<'a>(x: &'static i32) -> impl LifetimeTrait<'a> + 'static { x
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| ~~~~~~~~~~~~
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error[E0700]: hidden type for `impl Trait` captures lifetime that does not appear in bounds
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--> $DIR/must_outlive_least_region_or_bound.rs:34:5
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--> $DIR/must_outlive_least_region_or_bound.rs:50:5
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LL | fn move_lifetime_into_fn<'a, 'b>(x: &'a u32, y: &'b u32) -> impl Fn(&'a u32) {
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| -- hidden type `[closure@$DIR/must_outlive_least_region_or_bound.rs:34:5: 34:31]` captures the lifetime `'b` as defined here
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| -- hidden type `[closure@$DIR/must_outlive_least_region_or_bound.rs:50:5: 50:31]` captures the lifetime `'b` as defined here
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LL | move |_| println!("{}", y)
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -110,7 +110,7 @@ LL | fn move_lifetime_into_fn<'a, 'b>(x: &'a u32, y: &'b u32) -> impl Fn(&'a u32
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| ++++
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error[E0310]: the parameter type `T` may not live long enough
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--> $DIR/must_outlive_least_region_or_bound.rs:40:5
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--> $DIR/must_outlive_least_region_or_bound.rs:56:5
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LL | x
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| ^ ...so that the type `T` will meet its required lifetime bounds
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@ -1,3 +1,7 @@
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// ignore-compare-mode-nll
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// revisions: base nll
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// [nll]compile-flags: -Zborrowck=mir
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use std::fmt::Debug;
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fn elided(x: &i32) -> impl Copy { x }
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@ -6,27 +10,39 @@ fn elided(x: &i32) -> impl Copy { x }
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fn explicit<'a>(x: &'a i32) -> impl Copy { x }
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//~^ ERROR: captures lifetime that does not appear in bounds
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fn elided2(x: &i32) -> impl Copy + 'static { x } //~ ERROR E0759
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fn elided2(x: &i32) -> impl Copy + 'static { x }
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//[base]~^ ERROR E0759
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//[nll]~^^ ERROR lifetime may not live long enough
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fn explicit2<'a>(x: &'a i32) -> impl Copy + 'static { x } //~ ERROR E0759
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fn explicit2<'a>(x: &'a i32) -> impl Copy + 'static { x }
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//[base]~^ ERROR E0759
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//[nll]~^^ ERROR lifetime may not live long enough
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fn foo<'a>(x: &i32) -> impl Copy + 'a { x }
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//~^ ERROR explicit lifetime required in the type of `x`
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fn elided3(x: &i32) -> Box<dyn Debug> { Box::new(x) } //~ ERROR E0759
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fn elided3(x: &i32) -> Box<dyn Debug> { Box::new(x) }
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//[base]~^ ERROR E0759
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fn explicit3<'a>(x: &'a i32) -> Box<dyn Debug> { Box::new(x) } //~ ERROR E0759
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fn explicit3<'a>(x: &'a i32) -> Box<dyn Debug> { Box::new(x) }
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//[base]~^ ERROR E0759
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fn elided4(x: &i32) -> Box<dyn Debug + 'static> { Box::new(x) } //~ ERROR E0759
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fn elided4(x: &i32) -> Box<dyn Debug + 'static> { Box::new(x) }
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//[base]~^ ERROR E0759
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fn explicit4<'a>(x: &'a i32) -> Box<dyn Debug + 'static> { Box::new(x) } //~ ERROR E0759
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fn explicit4<'a>(x: &'a i32) -> Box<dyn Debug + 'static> { Box::new(x) }
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//[base]~^ ERROR E0759
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fn elided5(x: &i32) -> (Box<dyn Debug>, impl Debug) { (Box::new(x), x) } //~ ERROR E0759
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fn elided5(x: &i32) -> (Box<dyn Debug>, impl Debug) { (Box::new(x), x) }
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//[base]~^ ERROR E0759
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//[nll]~^^ ERROR lifetime may not live long enough
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trait LifetimeTrait<'a> {}
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impl<'a> LifetimeTrait<'a> for &'a i32 {}
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fn with_bound<'a>(x: &'a i32) -> impl LifetimeTrait<'a> + 'static { x } //~ ERROR E0759
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fn with_bound<'a>(x: &'a i32) -> impl LifetimeTrait<'a> + 'static { x }
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//[base]~^ ERROR E0759
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//[nll]~^^ ERROR lifetime may not live long enough
|
||||
|
||||
// Tests that a closure type containing 'b cannot be returned from a type where
|
||||
// only 'a was expected.
|
||||
@ -36,8 +52,9 @@ fn move_lifetime_into_fn<'a, 'b>(x: &'a u32, y: &'b u32) -> impl Fn(&'a u32) {
|
||||
}
|
||||
|
||||
fn ty_param_wont_outlive_static<T:Debug>(x: T) -> impl Debug + 'static {
|
||||
//~^ ERROR the parameter type `T` may not live long enough
|
||||
//[base]~^ ERROR the parameter type `T` may not live long enough
|
||||
x
|
||||
//[nll]~^ ERROR the parameter type `T` may not live long enough
|
||||
}
|
||||
|
||||
fn main() {}
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
error[E0310]: the parameter type `T` may not live long enough
|
||||
--> $DIR/type_parameters_captured.rs:7:20
|
||||
--> $DIR/type_parameters_captured.rs:11:20
|
||||
|
|
||||
LL | fn foo<T>(x: T) -> impl Any + 'static {
|
||||
| ^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
|
||||
@ -1,5 +1,5 @@
|
||||
error[E0310]: the parameter type `T` may not live long enough
|
||||
--> $DIR/type_parameters_captured.rs:9:5
|
||||
--> $DIR/type_parameters_captured.rs:13:5
|
||||
|
|
||||
LL | x
|
||||
| ^ ...so that the type `T` will meet its required lifetime bounds
|
||||
|
||||
@ -1,3 +1,7 @@
|
||||
// ignore-compare-mode-nll
|
||||
// revisions: base nll
|
||||
// [nll]compile-flags: -Zborrowck=mir
|
||||
|
||||
use std::fmt::Debug;
|
||||
|
||||
trait Any {}
|
||||
@ -5,8 +9,9 @@ impl<T> Any for T {}
|
||||
|
||||
// Check that type parameters are captured and not considered 'static
|
||||
fn foo<T>(x: T) -> impl Any + 'static {
|
||||
//~^ ERROR the parameter type `T` may not live long enough
|
||||
//[base]~^ ERROR the parameter type `T` may not live long enough
|
||||
x
|
||||
//[nll]~^ ERROR the parameter type `T` may not live long enough
|
||||
}
|
||||
|
||||
fn main() {}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user