Update: The latest version, 1.17, compiles on 64-bit platforms out of the box, so the patch below is no longer necessary. Nicolas Lehuen’s pytst is a C++ ternary search tree implementation with a Python interface. It’s an excellent tool—and it is also really, really fast. Unfortunately version 1.15 doesn’t compile on 64-bit platforms, giving the following error messages: pythonTST.h:178: error: ca