Method alloc

src/alloc.rs:21–35

(&self, layout: Layout)

unsafe impl GlobalAlloc for LeanAlloc {
    unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
        let alignment = layout.align().max(LEAN_OBJECT_SIZE_DELTA);
        let offset = layout.size().wrapping_neg() & (alignment - 1);
        let size = layout.size() + offset;

        #[cfg(feature = "small_allocator")]
        if alignment == LEAN_OBJECT_SIZE_DELTA && size <= crate::LEAN_MAX_SMALL_OBJECT_SIZE as usize
        {
            let slot_idx = crate::lean_get_slot_idx(size as _);
            return crate::lean_alloc_small(size as _, slot_idx).cast();
        }

        lean_inc_heartbeat();
        aligned_alloc(alignment, size)
    }

    #[allow(unused_variables)]
    unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {