function isBindable(func) {
	      var support = lodash.support,
	          result = !(support.funcNames ? func.name : support.funcDecomp);

	      if (!result) {
	        var source = fnToString.call(func);
	        if (!support.funcNames) {
	          result = !reFuncName.test(source);
	        }
	        if (!result) {
	          // Check if `func` references the `this` keyword and store the result.
	          result = reThis.test(source) || isNative(func);
	          baseSetData(func, result);
	        }
	      }
	      return result;
	    }
Checks if `func` is eligible for `this` binding.

@private
@param {Function} func The function to check.
@returns {boolean} Returns `true` if `func` is eligible, else `false`.