extern_spec_std_mem_replace

Function extern_spec_std_mem_replace 

Source
pub fn extern_spec_std_mem_replace<T>(dest: &mut T, src: T) -> T
Expand description

extern spec for ::std::mem::replace<T>

This is not a real function: its only use is for documentation.

terminates

ghost

ensures

^dest == src

ensures

result == *dest