Function set

purl.js:151–160

(obj, key, val)

    }

    function set(obj, key, val) {
        var v = obj[key];
        if (typeof v === 'undefined') {
            obj[key] = val;
        } else if (isArray(v)) {
            v.push(val);
        } else {
            obj[key] = [v, val];
        }
    }

    function lastBraceInKey(str) {
        var len = str.length,