explanation

js/src/001 undirected/online/data/fuse.js

@@ -1,4 +1,10 @@
-
+/**
+ * Fuse multiple graph data structure allowing to
+ * repeat the same write operations on all of them.
+ * Adds a pt member to all edges and vertices of each
+ * graph allowing direct reference of twin edges and
+ * vertices in other fused graphs.
+ */
 
 var fuse_t = function(){
 
@@ -55,4 +61,4 @@ var fuse_t = function(){
 
 };
 
-exports.fuse_t = fuse_t;
+exports.fuse_t = fuse_t;