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use std::{alloc::Layout, fmt};
/// Based loosely on the unstable std::alloc::Alloc trait
pub trait Alloc {
fn alloc(&mut self, layout: Layout) -> Result<u64, AllocErr>;
fn dealloc(&mut self, addr: u64, layout: Layout);
}
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct AllocErr;
impl fmt::Display for AllocErr {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str("Error: Memory allocation failed")
}
}