The Dyalog Blog

278 blog posts in 36 categories covering APL insights, company news and events, innovative projects, and more.

I’ve taken to commenting the closing brace of my inner dfns with a home-grown type notation pinched from the Functional Programming community: dref←{... Read
Part I of this post was concerned with the development speed and execution speed of magic functions and should be read before this post. Benefitting from... Read
A magic function is an APL-coded (dfn) computation in the C source of the interpreter. For example, some cases of ∧.= are coded as... Read
This post contains comments to John Scholes’ post on name colouring; please continue to post any further comments with the original post. This is a very... Read
APL is sometimes criticised because expressions that include names cannot, in general, be parsed without knowing whether the names represent functions or... Read
A discussion between Nicolas Delcros and Roger Hui Nicolas, Prologue: From a language point of view, thanks to Ken Iverson, it is obvious that you want grade... Read
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