mirror of https://github.com/rust-lang/rust
25 lines
929 B
Plaintext
25 lines
929 B
Plaintext
error[E0308]: `match` arms have incompatible types
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--> $DIR/closure-no-fn-4.rs:5:18
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LL | let _: fn(usize) -> usize = match true {
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| _________________________________-
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LL | | true => |a| a + 1,
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| | --------- this is found to be of type `fn(usize) -> usize`
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LL | | false => |a| a - b,
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| | ^^^^^^^^^ expected fn pointer, found closure
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LL | |
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LL | | };
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| |_____- `match` arms have incompatible types
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= note: expected fn pointer `fn(usize) -> usize`
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found closure `{closure@$DIR/closure-no-fn-4.rs:5:18: 5:21}`
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note: closures can only be coerced to `fn` types if they do not capture any variables
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--> $DIR/closure-no-fn-4.rs:5:26
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LL | false => |a| a - b,
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| ^ `b` captured here
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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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