mirror of https://github.com/rust-lang/rust
64 lines
2.4 KiB
Plaintext
64 lines
2.4 KiB
Plaintext
error[E0525]: expected a closure that implements the `FnMut` trait, but this closure only implements `FnOnce`
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--> $DIR/move-ref-patterns-closure-captures.rs:9:14
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LL | let c1 = || {
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| ^^ this closure implements `FnOnce`, not `FnMut`
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...
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LL | drop::<U>(_x1);
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| --- closure is `FnOnce` because it moves the variable `_x1` out of its environment
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...
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LL | accept_fn_mut(&c1);
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| ------------- --- the requirement to implement `FnMut` derives from here
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| |
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| required by a bound introduced by this call
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note: required by a bound in `accept_fn_mut`
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--> $DIR/move-ref-patterns-closure-captures.rs:4:31
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LL | fn accept_fn_mut(_: &impl FnMut()) {}
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| ^^^^^^^ required by this bound in `accept_fn_mut`
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error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnOnce`
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--> $DIR/move-ref-patterns-closure-captures.rs:9:14
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LL | let c1 = || {
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| ^^ this closure implements `FnOnce`, not `Fn`
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...
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LL | drop::<U>(_x1);
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| --- closure is `FnOnce` because it moves the variable `_x1` out of its environment
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...
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LL | accept_fn(&c1);
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| --------- --- the requirement to implement `Fn` derives from here
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| |
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| required by a bound introduced by this call
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note: required by a bound in `accept_fn`
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--> $DIR/move-ref-patterns-closure-captures.rs:5:27
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LL | fn accept_fn(_: &impl Fn()) {}
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| ^^^^ required by this bound in `accept_fn`
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error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnMut`
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--> $DIR/move-ref-patterns-closure-captures.rs:20:14
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LL | let c2 = || {
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| ^^ this closure implements `FnMut`, not `Fn`
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...
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LL | drop::<&mut U>(_x2);
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| --- closure is `FnMut` because it mutates the variable `_x2` here
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...
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LL | accept_fn(&c2);
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| --------- --- the requirement to implement `Fn` derives from here
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| |
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| required by a bound introduced by this call
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note: required by a bound in `accept_fn`
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--> $DIR/move-ref-patterns-closure-captures.rs:5:27
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LL | fn accept_fn(_: &impl Fn()) {}
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| ^^^^ required by this bound in `accept_fn`
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0525`.
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