Function extern_spec_Sub__ref_isize__ref_isize_sub 

pub fn extern_spec_Sub__ref_isize__ref_isize_sub(
    self_: &isize,
    rhs: &isize,
) -> isize

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