error[E0308]: mismatched types | |
--> $DIR/issue-94176.rs:5:32 | |
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LL | pub fn test(a: Option<u32>) -> Option<u32> { | |
| ---- ^^^^^^^^^^^ expected `Option<u32>`, found `()` | |
| | | |
| implicitly returns `()` as its body has no tail or `return` expression | |
| | |
= note: expected enum `Option<u32>` | |
found unit type `()` | |
help: consider returning the local binding `a` | |
| | |
LL ~ println!("Foo"); | |
LL + a | |
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error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0308`. |