rust/src/test/ui/cast/cast-to-bare-fn.stderr
2018-12-25 21:08:33 -07:00

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error[E0605]: non-primitive cast: `fn(isize) {foo}` as `extern "C" fn() -> isize`
--> $DIR/cast-to-bare-fn.rs:5:13
|
LL | let x = foo as extern "C" fn() -> isize;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait
error[E0605]: non-primitive cast: `u64` as `fn(isize) -> (isize, isize)`
--> $DIR/cast-to-bare-fn.rs:7:13
|
LL | let y = v as extern "Rust" fn(isize) -> (isize, isize);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: an `as` expression can only be used to convert between primitive types. Consider using the `From` trait
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0605`.