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: ...

Learn what a pure function is, why it is important for functional programming, ... In Python, a pure function could be something like this: def square(x): return x ** 2 ...

This is a toy example, a not-very-efficient implementation of an integral function. As pure Python code, it’s slow, because Python must convert back and forth between machine-native numerical ...

Pure functions, at their core, bring predictability and reliability to programming. These functions consistently produce the same output for a given set of inputs and avoid side effects.

Today, technology invention has to make things happen in an unexpected way. In the olden days, learning new things was a challenging task, and people fear ...