use alloc_no_stdlib;
use core;
use alloc_no_stdlib::{SliceWrapper, SliceWrapperMut};
pub struct Rebox<T> {
b : Box<[T]>,
}
impl<T> core::default::Default for Rebox<T> {
fn default() -> Self {
let v : Vec<T> = Vec::new();
let b = v.into_boxed_slice();
return Rebox::<T>{b : b};
}
}
define_index_ops_mut!(T, Rebox<T>);
impl<T> alloc_no_stdlib::SliceWrapper<T> for Rebox<T> {
fn slice(&self) -> & [T] {
return &*self.b
}
}
impl<T> alloc_no_stdlib::SliceWrapperMut<T> for Rebox<T> {
fn slice_mut(&mut self) -> &mut [T] {
return &mut*self.b
}
}
pub struct HeapAllocator<T : core::clone::Clone>{
pub default_value : T,
}
impl<T : core::clone::Clone> alloc_no_stdlib::Allocator<T> for HeapAllocator<T> {
type AllocatedMemory = Rebox<T>;
fn alloc_cell(self : &mut HeapAllocator<T>, len : usize) -> Rebox<T> {
let v : Vec<T> = vec![self.default_value.clone();len];
let b = v.into_boxed_slice();
return Rebox::<T>{b : b};
}
fn free_cell(self : &mut HeapAllocator<T>, _data : Rebox<T>) {
}
}
