In python it is impossible to determine if a function is pure for certain. Even writing a static-analysis that gets the most cases right is very hard. Therefore pure-func checks purity at run-time in ...

Finally, you can’t call into C functions from pure Python mode the way you can from regular Cython. Normally, in Cython, you can call into a C function by including a reference to it like this ...

Pure functions have several advantages that make them desirable for functional programming. First, pure functions are easier to reason about, test, and debug, because they do not depend on or ...

Everything is done in 100% pure Python so it's extremely easy to install ... you may encounter some unexpected problems (like javascript calling a function with 300 arguments - python allows only 255) ...

called pure Python mode. The vast majority of Cython functions are now exposed in pure Python mode, including functions for calling external C libraries. Another major area of improvement is NumPy ...