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use std::os::raw::c_void;
#[repr(C)]
#[derive(Clone)]
pub struct Closure {
entry_pointer: *const c_void,
drop_function: extern "C" fn(*mut u8),
arity: usize,
}
impl Closure {
pub fn new(entry_pointer: *const c_void, arity: usize) -> Self {
Self {
entry_pointer,
drop_function: drop_nothing,
arity,
}
}
}
extern "C" fn drop_nothing(_: *mut u8) {}
impl Drop for Closure {
fn drop(&mut self) {
(self.drop_function)(self as *mut Self as *mut u8);
}
}