--- /dev/null
+var slice = require('../array/slice');
+
+ /**
+ * Return a copy of the object, filtered to only have values for the whitelisted keys.
+ */
+ function pick(obj, var_keys){
+ var keys = typeof arguments[1] !== 'string'? arguments[1] : slice(arguments, 1),
+ out = {},
+ i = 0, key;
+ while (key = keys[i++]) {
+ out[key] = obj[key];
+ }
+ return out;
+ }
+
+ module.exports = pick;
+
+