rust/src/test/compile-fail/alt-pattern-field-mismatch.rs

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fn main() {
enum color {
rgb(uint, uint, uint),
cmyk(uint, uint, uint, uint),
no_color,
}
fn foo(c: color) {
alt c {
rgb(_, _) { }
//!^ ERROR this pattern has 2 fields, but the corresponding variant has 3 fields
cmyk(_, _, _, _) { }
no_color { }
}
}
}