extern_spec_Add_Duration_Duration_add

creusot_contracts::std::time

Function extern_spec_Add_Duration_Duration_add 

Source 
pub fn extern_spec_Add_Duration_Duration_add(
    self_: Duration,
    rhs: Duration,
) -> Duration
Expand description

extern spec for Duration::add

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

terminates

ghost

requires 

self@ + rhs@ <= secs_to_nanos(u64::MAX@) + 999_999_999

ensures 

self@ + rhs@ == result@