138 lines
5.0 KiB
Plaintext
138 lines
5.0 KiB
Plaintext
error: expected type, found `{`
|
|
--> $DIR/macro-fail.rs:31:27
|
|
|
|
|
LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> {
|
|
| ----------------------
|
|
| |
|
|
| this macro call doesn't expand to a type
|
|
| in this macro invocation
|
|
...
|
|
LL | ($rusty: ident) => {{ let $rusty = 3; *&$rusty }}
|
|
| ^ expected type
|
|
|
|
|
= note: this error originates in the macro `gimme_a_const` (in Nightly builds, run with -Z macro-backtrace for more info)
|
|
|
|
error: expected type, found `{`
|
|
--> $DIR/macro-fail.rs:31:27
|
|
|
|
|
LL | Example::<gimme_a_const!(marker)>
|
|
| ----------------------
|
|
| |
|
|
| this macro call doesn't expand to a type
|
|
| in this macro invocation
|
|
...
|
|
LL | ($rusty: ident) => {{ let $rusty = 3; *&$rusty }}
|
|
| ^ expected type
|
|
|
|
|
= note: this error originates in the macro `gimme_a_const` (in Nightly builds, run with -Z macro-backtrace for more info)
|
|
|
|
error: expected type, found `{`
|
|
--> $DIR/macro-fail.rs:4:10
|
|
|
|
|
LL | () => {{
|
|
| ^ expected type
|
|
...
|
|
LL | let _fail = Example::<external_macro!()>;
|
|
| -----------------
|
|
| |
|
|
| this macro call doesn't expand to a type
|
|
| in this macro invocation
|
|
|
|
|
= note: this error originates in the macro `external_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
|
|
|
|
error: unexpected end of macro invocation
|
|
--> $DIR/macro-fail.rs:42:25
|
|
|
|
|
LL | macro_rules! gimme_a_const {
|
|
| -------------------------- when calling this macro
|
|
...
|
|
LL | let _fail = Example::<gimme_a_const!()>;
|
|
| ^^^^^^^^^^^^^^^^ missing tokens in macro arguments
|
|
|
|
|
note: while trying to match meta-variable `$rusty:ident`
|
|
--> $DIR/macro-fail.rs:31:8
|
|
|
|
|
LL | ($rusty: ident) => {{ let $rusty = 3; *&$rusty }}
|
|
| ^^^^^^^^^^^^^
|
|
|
|
error[E0747]: type provided when a constant was expected
|
|
--> $DIR/macro-fail.rs:14:33
|
|
|
|
|
LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> {
|
|
| ^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error[E0747]: type provided when a constant was expected
|
|
--> $DIR/macro-fail.rs:14:33
|
|
|
|
|
LL | fn make_marker() -> impl Marker<gimme_a_const!(marker)> {
|
|
| ^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
|
|
|
|
error[E0747]: type provided when a constant was expected
|
|
--> $DIR/macro-fail.rs:17:13
|
|
|
|
|
LL | Example::<gimme_a_const!(marker)>
|
|
| ^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
error[E0284]: type annotations needed
|
|
--> $DIR/macro-fail.rs:17:3
|
|
|
|
|
LL | Example::<gimme_a_const!(marker)>
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer the value of the const parameter `N` declared on the struct `Example`
|
|
|
|
|
note: required by a const generic parameter in `Example`
|
|
--> $DIR/macro-fail.rs:1:16
|
|
|
|
|
LL | struct Example<const N: usize>;
|
|
| ^^^^^^^^^^^^^^ required by this const generic parameter in `Example`
|
|
|
|
error[E0747]: type provided when a constant was expected
|
|
--> $DIR/macro-fail.rs:38:25
|
|
|
|
|
LL | let _fail = Example::<external_macro!()>;
|
|
| ^^^^^^^^^^^^^^^^^
|
|
|
|
error[E0747]: type provided when a constant was expected
|
|
--> $DIR/macro-fail.rs:42:25
|
|
|
|
|
LL | let _fail = Example::<gimme_a_const!()>;
|
|
| ^^^^^^^^^^^^^^^^
|
|
|
|
error[E0284]: type annotations needed for `Example<_>`
|
|
--> $DIR/macro-fail.rs:38:7
|
|
|
|
|
LL | let _fail = Example::<external_macro!()>;
|
|
| ^^^^^ ---------------------------- type must be known at this point
|
|
|
|
|
note: required by a const generic parameter in `Example`
|
|
--> $DIR/macro-fail.rs:1:16
|
|
|
|
|
LL | struct Example<const N: usize>;
|
|
| ^^^^^^^^^^^^^^ required by this const generic parameter in `Example`
|
|
help: consider giving `_fail` an explicit type, where the value of const parameter `N` is specified
|
|
|
|
|
LL | let _fail: Example<N> = Example::<external_macro!()>;
|
|
| ++++++++++++
|
|
|
|
error[E0284]: type annotations needed for `Example<_>`
|
|
--> $DIR/macro-fail.rs:42:7
|
|
|
|
|
LL | let _fail = Example::<gimme_a_const!()>;
|
|
| ^^^^^ --------------------------- type must be known at this point
|
|
|
|
|
note: required by a const generic parameter in `Example`
|
|
--> $DIR/macro-fail.rs:1:16
|
|
|
|
|
LL | struct Example<const N: usize>;
|
|
| ^^^^^^^^^^^^^^ required by this const generic parameter in `Example`
|
|
help: consider giving `_fail` an explicit type, where the value of const parameter `N` is specified
|
|
|
|
|
LL | let _fail: Example<N> = Example::<gimme_a_const!()>;
|
|
| ++++++++++++
|
|
|
|
error: aborting due to 12 previous errors
|
|
|
|
Some errors have detailed explanations: E0284, E0747.
|
|
For more information about an error, try `rustc --explain E0284`.
|