var cErr *C.char
rc := C.{{ c_function }}(&cErr)
if rc != 0 {
msg := "failed to clear {{ trait_name }} plugins"
if cErr != nil {
msg = C.GoString(cErr)
C.free(unsafe.Pointer(cErr))
}
return fmt.Errorf("%s", msg)
}
// Delete all handles now that Rust has cleared all plugins
{{ trait_snake }}Registry.clear()
return nil