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c75e601543
When the expected and found types have the same textual representation, we add clarifying in parentheses. We now visually highlight it in the output. Detect a corner case where the clarifying information would be the same for both types and skip it, as it doesn't add anything useful.
17 lines
481 B
Rust
17 lines
481 B
Rust
//@ compile-flags: -Zunstable-options --error-format=human-unicode --color=always
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//@ only-linux
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// Ensure that when we have a type error where both types have the same textual representation, the
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// diagnostic machinery highlights the clarifying comment that comes after in parentheses.
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trait Foo: Copy + ToString {}
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impl<T: Copy + ToString> Foo for T {}
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fn hide<T: Foo>(x: T) -> impl Foo {
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x
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}
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fn main() {
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let mut x = (hide(0_u32), hide(0_i32));
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x = (x.1, x.0);
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}
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