Bump to v4.12.0.

_createToPairs.js

@@ -0,0 +1,28 @@
+define(['./_baseToPairs', './_getTag', './_mapToArray', './_setToPairs'], function(baseToPairs, getTag, mapToArray, setToPairs) {
+
+  /** `Object#toString` result references. */
+  var mapTag = '[object Map]',
+      setTag = '[object Set]';
+
+  /**
+   * Creates a `_.toPairs` or `_.toPairsIn` function.
+   *
+   * @private
+   * @param {Function} keysFunc The function to get the keys of a given object.
+   * @returns {Function} Returns the new pairs function.
+   */
+  function createToPairs(keysFunc) {
+    return function(object) {
+      var tag = getTag(object);
+      if (tag == mapTag) {
+        return mapToArray(object);
+      }
+      if (tag == setTag) {
+        return setToPairs(object);
+      }
+      return baseToPairs(object, keysFunc(object));
+    };
+  }
+
+  return createToPairs;
+});