Category Archives: Uncategorized

PyLucid : Calculating Dimensionalities with Yaghi Code

When Lucid first came out decades ago it was a very primitive language. It had only program variables and built-in operators and functions, like next or fby. Users could not define their own functions (or “subroutines” as they were often … Continue reading

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Broken link on pyflang.com is fixed

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Functional Programming for the Rest of Us – get PyFL Now!

It was developed in a secret lab and released, after which it spread rapidly. COVID? (maybe …). But I’m talking about the new PyFL interpreter. It’s finally available for the general public at¬†pyflang.com To make things simple, in the form … Continue reading

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Unbeatable? Tictactoe in PyFL

I wrote a program to play unbeatable tictactoe in my experimental functional language PYFL. (PYFL = Python based functional language; henceforth PyFL) Of course writing a tictactoe player is hardly a major challenge, but I wanted to see how it … Continue reading

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Parametric Programming – an equational approach to OO and beyond

A very long time ago I had an interesting if flawed idea. The idea was to (optionally) replace instances of expression constructs with equations defining or referring to components of conventional compound structures. The special variables defined or used I … Continue reading

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Functional while loops – no, really!

As I’ve explained I invented and implemented a small functional language (PYFL) to test out some ideas. In particular one idea is the (oxymoronic) functional while loop. A while loop? In a functional language? “Impossible!” you snort. Well you’re wrong. … Continue reading

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PyFL Output: the magic of simple side effects

As I’ve already explained I’ve invented and implemented an experimental functional language – PyFL (Python based Functional Language) – to try out some ideas. For example, PyFL has a full set of Variable Binding Operators (VBOs) that use a linear … Continue reading

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Monads Schmonads: Functional Input without tears (PyFL)

As I already explained, I’ve invented and implemented a simple functional language (PYFL) with a few interesting twists. Including a promising but simple approach to input.

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PyFL: Putting the fun back in functional programming

Haskell has been both a blessing and a curse for Functional Programming (FP.) A blessing because it has allowed many thousands to experience FP firsthand – by writing functional programs. They’ve discovered that it’s not that hard, that you can … Continue reading

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Dimensionality Analysis: multiple dimensions

[This reports on research carried out in collaboration with my PhD student Monem Shennat and former student Omar Alaqeeli] In a previous post I showed how to find identify variables in a classic (time only) Lucid program that are constant … Continue reading

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