Enable fall through past $:lifetime matcher #51480
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Thanks! @bors r+ |
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Jun 11, 2018
Enable fall through past $:lifetime matcher
```rust
macro_rules! is_lifetime {
($lifetime:lifetime) => { true };
($other:tt) => { false };
}
fn main() {
println!("{}", is_lifetime!('lifetime));
println!("{}", is_lifetime!(@));
}
```
Before this fix, the `is_lifetime!` invocation would fail to compile with:
```
error: expected a lifetime, found `@`
--> src/main.rs:8:33
|
8 | println!("{}", is_lifetime!(@));
| ^
```
Fixes #50903.
Fixes #51477.
r? @kennytm
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☀️ Test successful - status-appveyor, status-travis |
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Before this fix, the
is_lifetime!invocation would fail to compile with:Fixes #50903.
Fixes #51477.
r? @kennytm