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Commit | Line | Data |
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ed00b5ec | 1 | error[E0277]: expected a `FnOnce(&str)` closure, found `unsafe extern "rust-intrinsic" fn(_) -> _ {transmute::<_, _>}` |
5869c6ff XL |
2 | --> $DIR/coerce-unsafe-to-closure.rs:2:44 |
3 | | | |
4 | LL | let x: Option<&[u8]> = Some("foo").map(std::mem::transmute); | |
04454e1e | 5 | | --- ^^^^^^^^^^^^^^^^^^^ call the function in a closure: `|| unsafe { /* code */ }` |
c295e0f8 XL |
6 | | | |
7 | | required by a bound introduced by this call | |
5869c6ff | 8 | | |
f2b60f7d | 9 | = help: the trait `FnOnce<(&str,)>` is not implemented for fn item `unsafe extern "rust-intrinsic" fn(_) -> _ {transmute::<_, _>}` |
04454e1e | 10 | = note: unsafe function cannot be called generically without an unsafe block |
3c0e092e XL |
11 | note: required by a bound in `Option::<T>::map` |
12 | --> $SRC_DIR/core/src/option.rs:LL:COL | |
5869c6ff XL |
13 | |
14 | error: aborting due to previous error | |
15 | ||
16 | For more information about this error, try `rustc --explain E0277`. |