mirror of https://github.com/rust-lang/rust
31 lines
790 B
Rust
31 lines
790 B
Rust
//@ run-pass
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#![allow(unused_parens)]
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#![allow(non_camel_case_types)]
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enum colour { red(isize, isize), green, }
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impl PartialEq for colour {
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fn eq(&self, other: &colour) -> bool {
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match *self {
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colour::red(a0, b0) => {
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match (*other) {
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colour::red(a1, b1) => a0 == a1 && b0 == b1,
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colour::green => false,
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}
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}
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colour::green => {
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match (*other) {
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colour::red(..) => false,
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colour::green => true
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}
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}
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}
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}
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fn ne(&self, other: &colour) -> bool { !(*self).eq(other) }
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}
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fn f() { let x = colour::red(1, 2); let y = colour::green; assert!((x != y)); }
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pub fn main() { f(); }
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