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23 lines
323 B
Rust
23 lines
323 B
Rust
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#![allow(dead_code)]
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enum Foo {
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A,
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B,
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C,
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}
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macro_rules! test_hash {
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($foo:expr, $($t:ident => $ord:expr),+ ) => {
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use self::Foo::*;
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match $foo {
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$ ( & $t => $ord,
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)*
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};
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};
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}
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fn main() {
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let a = Foo::A;
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test_hash!(&a, A => 0, B => 1, C => 2);
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}
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