toInt.js #1

    /**
     * "Convert" value into an 32-bit integer.
     * Works like `Math.floor` if val > 0 and `Math.ceil` if val < 0.
     * IMPORTANT: val will wrap at 2^31 and -2^31.
     * Perf tests: http://jsperf.com/vs-vs-parseint-bitwise-operators/7
     */
    function toInt(val){
        // we do not use lang/toNumber because of perf and also because it
        // doesn't break the functionality
        return ~~val;
    }

    module.exports = toInt;