Function extern_spec_Sub__ref_i128_i128_sub 

pub fn extern_spec_Sub__ref_i128_i128_sub(self_: i128, rhs: &i128) -> i128

extern spec for i128::sub

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

requires

$type::MIN@ <= self@ $op rhs@ && self@ $op rhs@ <= $type::MAX@

ensures

result@ == self@ $op rhs@