| //@ run-pass | |
| #![allow(unused_variables)] | |
| #![deny(non_shorthand_field_patterns)] | |
| pub struct Value<A> { pub value: A } | |
| #[macro_export] | |
| macro_rules! pat { | |
| ($a:pat) => { | |
| Value { value: $a } | |
| }; | |
| } | |
| fn main() { | |
| let pat!(value) = Value { value: () }; | |
| //~^ WARN value assigned to `value` is never read | |
| } |