28 lines
739 B
Rust
28 lines
739 B
Rust
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// Regression test for #87051, where a double semicolon was erroneously
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// suggested after a `?` operator.
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fn main() -> Result<(), ()> {
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a(|| {
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b()
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//~^ ERROR: mismatched types [E0308]
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//~| NOTE: expected `()`, found `i32`
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//~| HELP: consider using a semicolon here
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})?;
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// Here, we do want to suggest a semicolon:
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let x = Ok(42);
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if true {
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//~^ NOTE: expected this to be `()`
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x?
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//~^ ERROR: mismatched types [E0308]
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//~| NOTE: expected `()`, found integer
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//~| HELP: consider using a semicolon here
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}
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//~^ HELP: consider using a semicolon here
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Ok(())
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}
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fn a<F>(f: F) -> Result<(), ()> where F: FnMut() { Ok(()) }
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fn b() -> i32 { 42 }
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