Function extern_spec_PartialOrd_u64_u64_le 

pub fn extern_spec_PartialOrd_u64_u64_le(self_: &u64, other: &u64) -> bool

extern spec for u64::le

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

terminates

ghost

ensures

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