mimalloc3-rs 0.0.1

mimalloc is a compact general purpose allocator with excellent performance.
Documentation 
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use core::alloc::{GlobalAlloc, Layout};
use core::ffi::c_void;
use libmimalloc3_sys::*;

pub struct MiMalloc;

unsafe impl GlobalAlloc for MiMalloc {
    #[inline]
    unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
        unsafe {
            mi_malloc_aligned(layout.size(), layout.align()) as *mut u8
        }
    }

    #[inline]
    unsafe fn dealloc(&self, ptr: *mut u8, _layout: Layout) {
        unsafe {
            mi_free(ptr as *mut c_void);
        }
    }

    #[inline]
    unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 {
        unsafe {
            mi_zalloc_aligned(layout.size(), layout.align()) as *mut u8
        }
    }

    #[inline]
    unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {
        unsafe {
            mi_realloc_aligned(ptr as *mut c_void, new_size, layout.align()) as *mut u8
        }
    }
}