extern_spec_u64_saturating_add

creusot_contracts::std::num

Function extern_spec_u64_saturating_add 

Source 
pub fn extern_spec_u64_saturating_add(self_: u64, rhs: u64) -> u64
Expand description

extern spec for u64::saturating_add

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

terminates

ghost

ensures

(self@ $op rhs@) >= $type::MIN@ && (self@ $op rhs@) <= $type::MAX@
                    ==> result@ == (self@ $op rhs@)

ensures 

(self@ $op rhs@) < $type::MIN@ ==> result@ == $type::MIN@

ensures 

(self@ $op rhs@) > $type::MAX@ ==> result@ == $type::MAX@