28 lines
487 B
Rust
28 lines
487 B
Rust
// check-pass
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#![deny(unreachable_patterns)]
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pub enum TypeCtor {
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Slice,
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Array,
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}
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pub struct ApplicationTy(TypeCtor);
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macro_rules! ty_app {
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($ctor:pat) => {
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ApplicationTy($ctor)
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};
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}
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fn _foo(ty: ApplicationTy) {
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match ty {
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ty_app!(TypeCtor::Array) | ty_app!(TypeCtor::Slice) => {}
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}
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// same as above, with the macro expanded
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match ty {
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ApplicationTy(TypeCtor::Array) | ApplicationTy(TypeCtor::Slice) => {}
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}
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}
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fn main() {}
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