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use std::ptr::{drop_in_place, NonNull};
use internal::gen_free;
pub trait Free {
unsafe fn free(ptr: NonNull<Self>);
}
unsafe fn free_ptr_ref<T>(ptr: NonNull<T>) {
drop_in_place(ptr.as_ptr());
gen_free(ptr);
}
impl<T> Free for T {
#[cfg(nightly_channel)]
default unsafe fn free(ptr_ref: NonNull<Self>) {
free_ptr_ref(ptr_ref);
}
#[cfg(stable_channel)]
unsafe fn free(ptr_ref: NonNull<Self>) {
free_ptr_ref(ptr_ref);
}
}
impl<T> Free for [T] {
unsafe fn free(mut fat_ptr: NonNull<Self>) {
let thin_ptr = NonNull::new_unchecked(fat_ptr.as_mut().as_mut_ptr());
drop_in_place(fat_ptr.as_ptr());
gen_free(thin_ptr);
}
}
impl Free for str {
unsafe fn free(fat_ptr: NonNull<Self>) {
Free::free(NonNull::new_unchecked(fat_ptr.as_ptr() as *mut [u8]));
}
}