/// Zero the memory before deallocation.
Zero the memory before deallocation.
Zero the memory before deallocation .
unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
        zero(ptr, layout.size());
        #[cfg(not(test))]
        self.0.dealloc(ptr, layout);
    }
unsafe fn dealloc ( & self , ptr : * mut u8 , layout : Layout ) { zero ( ptr , layout . size ( ) ) ; # [ cfg ( not ( test ) ) ] self . 0 . dealloc ( ptr , layout ) ; }
Zero the memory before deallocation.
Zero the memory before deallocation .
&self
ptr
*mut u8
layout
Layout