If you don't mind pulling in the other stuff, Google Closure has provided a Map (hash map/hash table) implementation for a while. You can use the Closure Compil

If you don't mind pulling in the other stuff, Google Closure has provided a Map (hash map/hash table) implementation for a while. You can use the Closure Compiler or ClosureBuilder to ensure you only serve the necessary Closure modules. https://closure-library.googlecode.com/git-history/docs/class_goog_structs_Map.html https://closure-library.googlecode.com/git-history/docs/clas... https://developers.google.com/closure/library/docs/closurebuilder https://developers.google.com/closure/library/docs/closurebu...