Function extern_spec_Sub__ref_u8__ref_u8_sub 

pub fn extern_spec_Sub__ref_u8__ref_u8_sub(self_: &u8, rhs: &u8) -> u8

extern spec for <&u8 as Sub<&u8>>::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@