20 lines
544 B
Rust
20 lines
544 B
Rust
|
// Test that duplicate matcher binding names are caught at declaration time, rather than at macro
|
||
|
|
// invocation time.
|
||
|
|
|
||
|
|
macro_rules! foo1 {
|
||
|
|
($a:ident, $a:ident) => {}; //~ERROR duplicate matcher binding
|
||
|
|
($a:ident, $a:path) => {}; //~ERROR duplicate matcher binding
|
||
|
|
}
|
||
|
|
|
||
|
|
macro_rules! foo2 {
|
||
|
|
($a:ident) => {}; // OK
|
||
|
|
($a:path) => {}; // OK
|
||
|
|
}
|
||
|
|
|
||
|
|
macro_rules! foo3 {
|
||
|
|
($a:ident, $($a:ident),*) => {}; //~ERROR duplicate matcher binding
|
||
|
|
($($a:ident)+ # $($($a:path),+);*) => {}; //~ERROR duplicate matcher binding
|
||
|
|
}
|
||
|
|
|
||
|
|
fn main() {}
|