mirror of https://github.com/rust-lang/rust
22 lines
737 B
Plaintext
22 lines
737 B
Plaintext
error[E0308]: mismatched types
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--> $DIR/issue-91450-inner-ty-error.rs:4:13
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LL | fn foo() -> Option<_> {}
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| --- ^^^^^^^^^ expected `Option<_>`, found `()`
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| |
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| implicitly returns `()` as its body has no tail or `return` expression
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= note: expected enum `Option<_>`
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found unit type `()`
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error[E0121]: the placeholder `_` is not allowed within types on item signatures for return types
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--> $DIR/issue-91450-inner-ty-error.rs:4:20
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LL | fn foo() -> Option<_> {}
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| ^ not allowed in type signatures
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0121, E0308.
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For more information about an error, try `rustc --explain E0121`.
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