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use super::*;
use core::ffi::c_void;
use core::marker::PhantomData;
#[doc(hidden)]
#[repr(C)]
pub struct ScopedHeap {
pub vtable: *const c_void,
pub this: *const c_void,
}
#[doc(hidden)]
pub struct ScopedInterface<'a, T: Interface> {
interface: T,
lifetime: PhantomData<&'a T>,
}
impl<'a, T: Interface> ScopedInterface<'a, T> {
pub fn new(interface: T) -> Self {
Self {
interface,
lifetime: PhantomData,
}
}
}
impl<'a, T: Interface> core::ops::Deref for ScopedInterface<'a, T> {
type Target = T;
fn deref(&self) -> &T {
&self.interface
}
}
impl<'a, T: Interface> Drop for ScopedInterface<'a, T> {
fn drop(&mut self) {
unsafe {
let _ = Box::from_raw(self.interface.as_raw() as *const _ as *mut ScopedHeap);
}
}
}