rust/tests/ui/unneeded_field_pattern.rs

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#![warn(unneeded_field_pattern)]
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#[allow(dead_code, unused)]
struct Foo {
a: i32,
b: i32,
c: i32,
}
fn main() {
let f = Foo { a: 0, b: 0, c: 0 };
match f {
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Foo { a: _, b: 0, .. } => {}
Foo { a: _, b: _, c: _ } => {}
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}
match f {
Foo { b: 0, .. } => {} // should be OK
Foo { .. } => {} // and the Force might be with this one
}
}