+++ /dev/null
-error: `extern` block uses type `impl Fn<()>`, which is not FFI-safe
- --> $DIR/opaque-ty-ffi-unsafe.rs:11:17
- |
-LL | pub fn a(_: A);
- | ^ not FFI-safe
- |
-note: the lint level is defined here
- --> $DIR/opaque-ty-ffi-unsafe.rs:2:9
- |
-LL | #![deny(improper_ctypes)]
- | ^^^^^^^^^^^^^^^
- = note: opaque types have no C equivalent
-
-error: aborting due to previous error
-