mirror of https://github.com/rust-lang/rust
28 lines
981 B
Plaintext
28 lines
981 B
Plaintext
error[E0277]: expected a `FnOnce(&bool)` closure, found `bool`
|
|
--> $DIR/block_instead_of_closure_in_arg.rs:3:23
|
|
|
|
|
LL | Some(true).filter({
|
|
| _________________------_^
|
|
| | |
|
|
| | required by a bound introduced by this call
|
|
LL | |/ if number % 2 == 0 {
|
|
LL | || number == 0
|
|
LL | || } else {
|
|
LL | || number != 0
|
|
LL | || }
|
|
| ||_________- this tail expression is of type `bool`
|
|
LL | | });
|
|
| |______^ expected an `FnOnce(&bool)` closure, found `bool`
|
|
|
|
|
= help: the trait `for<'a> FnOnce<(&'a bool,)>` is not implemented for `bool`
|
|
note: required by a bound in `Option::<T>::filter`
|
|
--> $SRC_DIR/core/src/option.rs:LL:COL
|
|
help: you might have meant to create the closure instead of a block
|
|
|
|
|
LL | Some(true).filter(|_| {
|
|
| +++
|
|
|
|
error: aborting due to 1 previous error
|
|
|
|
For more information about this error, try `rustc --explain E0277`.
|