1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
error[E0277]: expected a `FnOnce({integer})` closure, found `unsafe fn(u8) -> NonZeroAndOneU8 {NonZeroAndOneU8}`
--> $DIR/initializing-ranged-via-ctor.rs:9:34
|
LL | println!("{:?}", Some(1).map(NonZeroAndOneU8).unwrap());
| --- ^^^^^^^^^^^^^^^ call the function in a closure: `|| unsafe { /* code */ }`
| |
| required by a bound introduced by this call
|
= help: the trait `FnOnce({integer})` is not implemented for fn item `unsafe fn(u8) -> NonZeroAndOneU8 {NonZeroAndOneU8}`
= note: unsafe function cannot be called generically without an unsafe block
note: required by a bound in `Option::<T>::map`
--> $SRC_DIR/core/src/option.rs:LL:COL
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.
|
