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15 lines
227 B
Rust
15 lines
227 B
Rust
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// run-pass
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#![feature(macro_metavar_expr)]
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macro_rules! ignore {
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( $( $i:ident ),* ) => {{
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let array: [i32; 0] = [$( ${ignore(i)} )*];
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array
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}};
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}
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fn main() {
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assert_eq!(ignore!(a, b, c), []);
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}
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