A "fold" is a fundamental primitive in defining operations on data structures; it's particularly important in functional languages where recursion is the default tool to express repetition. In this article I'll present how left and right folds work and ho... (more…)

Vasudev Ram's blog on software innovation, open-source and proprietary, worldwide. Python, D, Go, FreePascal, Unix, databases, open source.

“Python is about having the simplest, dumbest compiler imaginable.” —Guido van Rossum, Masterminds of Programming... (more…)

This key's fingerprint is A04C 5E09 ED02 B328 03EB 6116 93ED 732E 9231 8DBA... (more…)

A "fold" is a fundamental primitive in defining operations on data structures; it's particularly important in functional languages where recursion is the default tool to express repetition. In this article I'll present how left and right folds work and ho... (more…)