Function predicates::ord::eq
source · pub fn eq<T>(constant: T) -> EqPredicate<T>
Expand description
Creates a new predicate that will return true
when the given variable
is
equal to a pre-defined value.
§Examples
use predicates::prelude::*;
let predicate_fn = predicate::eq(5);
assert_eq!(true, predicate_fn.eval(&5));
assert_eq!(false, predicate_fn.eval(&10));
let predicate_fn = predicate::eq("Hello");
assert_eq!(true, predicate_fn.eval("Hello"));
assert_eq!(false, predicate_fn.eval("Goodbye"));