8954b16beb
Use spans for -Z external-macro-backtrace ``` % rustc ui/type-check/cannot_infer_local_or_vec.rs -Z external-macro-backtrace error[E0282]: type annotations needed --> <vec macros>:3:1 | 1 | / ( $ elem : expr ; $ n : expr ) => ( 2 | | $ crate :: vec :: from_elem ( $ elem , $ n ) ) ; ( $ ( $ x : expr ) , * ) => ( 3 | | < [ _ ] > :: into_vec ( box [ $ ( $ x ) , * ] ) ) ; ( $ ( $ x : expr , ) * ) | | ^^^^^^^^^^^^^^^^^^^^^ | | | | | cannot infer type for `T` 4 | | => ( vec ! [ $ ( $ x ) , * ] ) | |______________________________- in this expansion of `vec!` | ::: ui/type-check/cannot_infer_local_or_vec.rs | 12 | let x = vec![]; | - ------ in this macro invocation | | | consider giving `x` a type error: aborting due to previous error ``` |
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| .. | ||
| Cargo.toml | ||
| diagnostic_builder.rs | ||
| diagnostic.rs | ||
| emitter.rs | ||
| lib.rs | ||
| lock.rs | ||
| registry.rs | ||
| snippet.rs | ||
| styled_buffer.rs | ||