mirror of https://github.com/rust-lang/rust
37 lines
693 B
Rust
37 lines
693 B
Rust
// Test that we do not infer the expected types of patterns to an array
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// if we're in a refutable pattern.
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#![allow(unused_variables)]
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struct Zeroes;
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impl Into<[usize; 3]> for Zeroes {
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fn into(self) -> [usize; 3] {
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[0; 3]
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}
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}
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fn let_else() {
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let [a, b, c] = Zeroes.into() else {
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//~^ ERROR type annotations needed
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unreachable!();
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};
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}
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fn if_let() {
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if let [a, b, c] = Zeroes.into() {
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//~^ ERROR type annotations needed
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unreachable!();
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}
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}
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fn if_let_else() {
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if let [a, b, c] = Zeroes.into() {
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//~^ ERROR type annotations needed
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unreachable!();
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} else {
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unreachable!();
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}
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}
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fn main() {}
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