Function extern_spec_Sub__ref_u16_u16_sub 

pub fn extern_spec_Sub__ref_u16_u16_sub(self_: u16, rhs: &u16) -> u16

extern spec for u16::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@