Show HN: Combinators in Array Languages
Prior to this post, searching this site for “Y combinator” turned up nothing. The search engine was innocent: no post had ever covered it, despite the fact that the repos have carried working fixed-point combinators since August. This short post closes the gap. Resource Link Run the birds live mlpl.softwarewrighter.com — Load Demo… > Array / APL > Combinators (the birds) The book To Mock a Mockingbird — Raymond Smullyan’s aviary of combinator birds, in puzzle form Sage, CLI-side sw-ml-study/demo-combinators — lessons 17 (fixed_points), src/fixed_points.mlpl, and the derived-combinators doc The bird Raymond Smullyan’s To Mock a Mockingbird names the combinators…
Summary
A discussion on implementing combinators from Raymond Smullyan’s work using APL-derived languages highlights the challenges and solutions in eager evaluation. It specifically addresses the Sage bird’s implementation and presents a workaround for handling recursion in these languages.
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