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12 lines
235 B
Rust
12 lines
235 B
Rust
macro_rules! number {
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(neg false, $self:ident) => { $self };
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($signed:tt => $ty:ty;) => {
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number!(neg $signed, $self);
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//~^ ERROR no rules expected the token `$`
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};
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}
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number! { false => u8; }
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fn main() {}
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