update

node_modules/ramda/es/internal/_concat.js

@@ -0,0 +1,34 @@
+/**
+ * Private `concat` function to merge two array-like objects.
+ *
+ * @private
+ * @param {Array|Arguments} [set1=[]] An array-like object.
+ * @param {Array|Arguments} [set2=[]] An array-like object.
+ * @return {Array} A new, merged array.
+ * @example
+ *
+ *      _concat([4, 5, 6], [1, 2, 3]); //=> [4, 5, 6, 1, 2, 3]
+ */
+export default function _concat(set1, set2) {
+  set1 = set1 || [];
+  set2 = set2 || [];
+  var idx;
+  var len1 = set1.length;
+  var len2 = set2.length;
+  var result = [];
+  idx = 0;
+
+  while (idx < len1) {
+    result[result.length] = set1[idx];
+    idx += 1;
+  }
+
+  idx = 0;
+
+  while (idx < len2) {
+    result[result.length] = set2[idx];
+    idx += 1;
+  }
+
+  return result;
+}