extern_spec_u64_wrapping_sub

creusot_contracts::std::num

Function extern_spec_u64_wrapping_sub 

Source 
pub fn extern_spec_u64_wrapping_sub(self_: u64, rhs: u64) -> u64
Expand description

extern spec for u64::wrapping_sub

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

terminates

ghost

ensures 

result == self $op rhs