TBD

measures the speed of ramda's map vs Array's native map vs lodash map vs Immutable map

Test Array Speed

Compare the new ES6 spread operator with the traditional slice() method

Compare the new ES6 spread operator with the traditional concat() method

test

spread vs assign

Is there a performance benefit to replacing ! with === 0?

Creating a "new" array reference every time

Creating a "new" array reference every time