Function extern_spec_PartialOrd_i64_i64_partial_cmp 

pub fn extern_spec_PartialOrd_i64_i64_partial_cmp(
    self_: &i64,
    rhs: &i64,
) -> Option<Ordering>

extern spec for i64::partial_cmp

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

terminates

ghost

ensures

result == Some((*self).deep_model().cmp_log((*rhs).deep_model()))