Function extern_spec_i64_overflowing_div 

pub fn extern_spec_i64_overflowing_div(self_: i64, rhs: i64) -> (i64, bool)

extern spec for i64::overflowing_div

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

terminates

ghost

requires

rhs@ != 0

ensures

(self@ == $type::MIN@ && rhs@ == -1) ==> result.0@ == self@

ensures

(self@ == $type::MIN@ && rhs@ == -1) || result.0@ == self@ / rhs@

ensures

result.1 == (self@ == $type::MIN@ && rhs@ == -1)