Use of return_if_fail () in an async function results in C code with void returned in a boolean function
Example code
async void print_string (string message) {
return_if_fail (message != null);
stdout.printf (message);
}
void main() {
var loop = new MainLoop();
print_string.begin("Hello", (obj, res) => {
print_string.end(res);
loop.quit();
});
loop.run();
}
Extract of resulting C code:
static gboolean
print_string_co (PrintStringData* _data_)
{
...
g_return_if_fail (_data_->message != NULL);
...
return FALSE;
}
This was found due to this issue: https://github.com/elementary/files/issues/1341