Bump to v4.0.2.

lodash.subtract/index.js

@@ -1,17 +1,41 @@
 /**
- * lodash 4.0.1 (Custom Build) <https://lodash.com/>
+ * lodash 4.0.2 (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="npm" -o ./`
- * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
+ * Copyright jQuery Foundation and other contributors <https://jquery.org/>
+ * Released under MIT license <https://lodash.com/license>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- * Available under MIT license <https://lodash.com/license>
+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
  */
 
+/**
+ * Creates a function that performs a mathematical operation on two values.
+ *
+ * @private
+ * @param {Function} operator The function to perform the operation.
+ * @returns {Function} Returns the new mathematical operation function.
+ */
+function createMathOperation(operator) {
+  return function(value, other) {
+    var result;
+    if (value === undefined && other === undefined) {
+      return 0;
+    }
+    if (value !== undefined) {
+      result = value;
+    }
+    if (other !== undefined) {
+      result = result === undefined ? other : operator(result, other);
+    }
+    return result;
+  };
+}
+
 /**
  * Subtract two numbers.
  *
  * @static
  * @memberOf _
+ * @since 4.0.0
  * @category Math
  * @param {number} minuend The first number in a subtraction.
  * @param {number} subtrahend The second number in a subtraction.
@@ -21,18 +45,8 @@
  * _.subtract(6, 4);
  * // => 2
  */
-function subtract(minuend, subtrahend) {
-  var result;
-  if (minuend === undefined && subtrahend === undefined) {
-    return 0;
-  }
-  if (minuend !== undefined) {
-    result = minuend;
-  }
-  if (subtrahend !== undefined) {
-    result = result === undefined ? subtrahend : (result - subtrahend);
-  }
-  return result;
-}
+var subtract = createMathOperation(function(minuend, subtrahend) {
+  return minuend - subtrahend;
+});
 
 module.exports = subtract;