Helper to return the length value of an object, this will return the value of the "length" property. Generally used to return the length of a string or array.

0.4.2

getLength("");               // returns 0
getLength("Hello World"); // returns 11
getLength([]); // returns 0;
getLength([0, 1, 2, 3]); // returns 4;
getLength({ length: 42}); // returns 42
getLength({ length: () => 53; }); // returns the function that if called would return 53