mirror of https://github.com/rust-lang/rust
25 lines
738 B
Plaintext
25 lines
738 B
Plaintext
error: invalid `?` in type
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--> $DIR/trailing-question-in-type.rs:3:16
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LL | fn foo() -> i32? {
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| ^ `?` is only allowed on expressions, not types
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help: if you meant to express that the type might not contain a value, use the `Option` wrapper type
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LL | fn foo() -> Option<i32> {
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| +++++++ ~
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error: invalid `?` in type
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--> $DIR/trailing-question-in-type.rs:4:15
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LL | let x: i32? = Some(1);
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| ^ `?` is only allowed on expressions, not types
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help: if you meant to express that the type might not contain a value, use the `Option` wrapper type
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LL | let x: Option<i32> = Some(1);
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| +++++++ ~
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error: aborting due to 2 previous errors
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