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20 lines
786 B
Plaintext
20 lines
786 B
Plaintext
error[E0277]: expected a `Fn(isize)` closure, found `S`
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--> $DIR/unboxed-closures-fnmut-as-fn.rs:27:21
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LL | let x = call_it(&S, 22);
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| ------- ^^ expected an `Fn(isize)` closure, found `S`
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| |
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| required by a bound introduced by this call
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= help: the trait `Fn<(isize,)>` is not implemented for `S`
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= note: `S` implements `FnMut`, but it must implement `Fn`, which is more general
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note: required by a bound in `call_it`
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--> $DIR/unboxed-closures-fnmut-as-fn.rs:22:14
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LL | fn call_it<F:Fn(isize)->isize>(f: &F, x: isize) -> isize {
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| ^^^^^^^^^^^^^^^^ required by this bound in `call_it`
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0277`.
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