--- /dev/null
+var trimLeft = require('../string/virtual/trim-left');
+
+var StringPrototype = String.prototype;
+
+module.exports = function (it) {
+ var own = it.trimLeft;
+ return typeof it === 'string' || it === StringPrototype
+ || (it instanceof String && own === StringPrototype.trimLeft) ? trimLeft : own;
+};