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3b38dd9112
Better diagnostic message when trying to pattern match a tuple struct with a struct pattern.
19 lines
420 B
Rust
19 lines
420 B
Rust
struct S(i32, f32);
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enum E {
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S(i32, f32),
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}
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fn main() {
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let x = E::S(1, 2.2);
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match x {
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E::S { 0, 1 } => {}
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//~^ ERROR tuple variant `E::S` written as struct variant [E0769]
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}
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let y = S(1, 2.2);
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match y {
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S { } => {} //~ ERROR: tuple variant `S` written as struct variant [E0769]
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}
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if let E::S { 0: a } = x { //~ ERROR: pattern does not mention field `1`
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}
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}
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