File: macro-issue1400-2.rs

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (32 lines) | stat: -rw-r--r-- 539 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
macro_rules! foo {
    ( ( $( $Trait: ident ),+ ) for $($Ty: ident)* ) => {
        $(
            impl $Trait for $Ty {
    // { dg-error "different amount of matches used in merged repetitions: expected 4, got 1" "" { target *-*-* } .-1 }
                fn bar() -> i32 {
                    14
                }
            }
        )+
    }
}

trait Foo {
    fn bar() -> i32;
}

trait Bar {
    fn bar() -> i32;
}

trait Baz {
    fn bar() -> i32;
}

trait Qux {
    fn bar() -> i32;
}

struct S;

foo! {(Foo, Bar, Baz, Qux) for S}