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17 lines
224 B
Rust
17 lines
224 B
Rust
//@ check-pass
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macro_rules! neg {
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($e: expr) => {
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-$e
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};
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}
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macro_rules! bad_macro {
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($e: expr) => {
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--$e //~ WARN use of a double negation
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};
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}
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fn main() {
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neg!(-1);
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bad_macro!(1);
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}
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