Function extern_spec_PartialOrd_u64_u64_lt 

pub fn extern_spec_PartialOrd_u64_u64_lt(self_: &u64, other: &u64) -> bool

extern spec for u64::lt

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

terminates

ghost

ensures

result == (self.deep_model() < other.deep_model())