five
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add assertions isDivisibleByFive and containsFive
I added the following two assertions:
five.isDivisibleByFive();
five.containsFive();
Examples:
five.isDivisibleByFive(8); // false
five.isDivisibleByFive(15); // true
five.containsFive(154); // true
five.containsFive('this string contains 5, or not?'); // true
five.containsFive([ 2, 5, 17 ]); // true
five.containsFive([ 8, 14, 53 ]); // true
Maybe you find it somehow useful 😉