Function context_and_function

src/lib.rs:91–102

(closure: F)

}

fn context_and_function<F>(closure: F) -> (*mut c_void, dispatch_function_t)
        where F: FnOnce() {
    extern fn work_execute_closure<F>(context: Box<F>) where F: FnOnce() {
        (*context)();
    }

    let closure = Box::new(closure);
    let func: extern fn(Box<F>) = work_execute_closure::<F>;
    unsafe {
        (mem::transmute(closure), mem::transmute(func))
    }
}

fn context_and_sync_function<F>(closure: &mut Option<F>) ->
        (*mut c_void, dispatch_function_t)