mirror of https://github.com/rust-lang/rust
26 lines
703 B
Plaintext
26 lines
703 B
Plaintext
error[E0308]: `?` operator has incompatible types
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--> $DIR/remove-question-symbol-with-paren.rs:5:6
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LL | fn foo() -> Option<()> {
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| ---------- expected `Option<()>` because of return type
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LL | let x = Some(());
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LL | (x?)
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| ^^ expected `Option<()>`, found `()`
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= note: `?` operator cannot convert from `()` to `Option<()>`
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= note: expected enum `Option<()>`
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found unit type `()`
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help: try removing this `?`
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LL - (x?)
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LL + (x)
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help: try wrapping the expression in `Some`
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LL | (Some(x?))
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| +++++ +
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0308`.
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