extern_spec_std_option_T_Option_T_take

creusot_contracts::std::option

Function extern_spec_std_option_T_Option_T_take 

Source 
pub fn extern_spec_std_option_T_Option_T_take<T>(
    self_: &mut Option<T>,
) -> Option<T>
Expand description

extern spec for ::std::option::Option<T>::take

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

terminates

ghost

ensures 

result == *self && ^self == None