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chkoreff/Fexl

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Function EXpression Language (interpreter for functional programs)

46 mentions on Hacker News by 1 person: 33 stories, 13 comments · first 2011-06-16 · latest 2017-03-21

Mentions per year 46 mentions · busiest year 2012 (31)
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  1. ▲ 1
    This is the functional language I use for real work
    story by fexl · 2017-03-21 · 0 comments
  2. …the "==" syntax for recursive definitions, so you don't have to use '@' (fixpoint) explicitly. https://github.com/chkoreff/Fexl/commit/57b841cb6c2347cad147...
    comment by fexl · 2014-09-21 · in The Y Combinator (no, not that one) – A Crash Course on Lambda Calculus
  3. …more involved: http://fexl.com/demo/ You'll also find some code samples in the "test" directory: https://github.com/chkoreff/Fexl/tree/master/src/test The program a1.fxl there is the definitive test suite. The program a2.fxl reads what you…
    comment by fexl · 2014-08-05 · in Fexl – Highly robust functional evaluation
  4. ▲ 10
    Fexl – Highly robust functional evaluation
    story by fexl · 2014-08-04 · 3 comments
  5. ▲ 1
    Fexl now using purely functional evaluation
    story by fexl · 2014-07-07 · 0 comments
  6. ▲ 1
    New Fexl Release (default is eager evaluation instead of lazy)
    story by fexl · 2014-06-10 · 0 comments
  7. …James: I liked your article on range checking. I'm very keen on assertions, for example here: https://github.com/chkoreff/Fexl/blob/fresh/base/src/buf.c#L... It's still fast as greased lightning. I buffer up 2.6 MB here:…
    comment by fexl · 2014-03-23 · in Range-Checks and Recklessness
  8. …I really like is plain old C. To handle arbitrary strings reliably, I can just use this code: https://github.com/chkoreff/Fexl/blob/master/src/str.h https://github.com/chkoreff/Fexl/blob/master/src/str.c To deal with dynamic allocation,…
    comment by fexl · 2014-01-07 · in Functional programming isn't the answer
  9. Done. https://github.com/chkoreff/Fexl/commit/ce1d0f596ab3043e0edf...
    comment by fexl · 2013-10-10 · in GNU Make 4.0 Released
  10. For this reason and others I just wrote my own build script using /bin/sh: https://github.com/chkoreff/Fexl/blob/master/build Configurable with a small src/config file: https://github.com/chkoreff/Fexl/blob/master/src/config It…
    comment by fexl · 2013-10-09 · in GNU Make 4.0 Released
  11. ▲ 1
    Fexl version with vastly improved handling of repeated side effects
    story by fexl · 2013-01-06 · 0 comments
  12. ▲ 1
    Fexl update
    story by fexl · 2012-09-26 · 0 comments
  13. ▲ 1
    You can now call readlink(2) from a Fexl program.
    story by fexl · 2012-09-25 · 0 comments
  14. ▲ 1
    Improved build script for Fexl
    story by fexl · 2012-09-23 · 0 comments
  15. ▲ 1
    I removed the disgusting symbol stacks from Fexl.
    story by fexl · 2012-09-23 · 0 comments
  16. ▲ 27
    Epic commit message
    story by fexl · 2012-09-21 · 23 comments
  17. ▲ 1
    Fexl update
    story by fexl · 2012-09-15 · 0 comments
  18. ▲ 2
    Fexl update
    story by fexl · 2012-09-15 · 0 comments
  19. ▲ 1
    Fexl update
    story by fexl · 2012-09-14 · 0 comments
  20. ▲ 1
    Radically simplified the parse result handling in Fexl.
    story by fexl · 2012-09-12 · 0 comments
  21. ▲ 1
    New release of Fexl
    story by fexl · 2012-08-29 · 0 comments
  22. ▲ 1
    New version of Fexl
    story by fexl · 2012-08-27 · 0 comments
  23. ▲ 1
    I added a standard Fexl routine that prints either leaf or tree values.
    story by fexl · 2012-05-21 · 0 comments
  24. ▲ 2
    Fexl: Wrote "fold" directly in C for 35% speed boost.
    story by fexl · 2012-05-07 · 0 comments
  25. ▲ 1
    Fexl now uses setrlimit to impose safe limits on child processes.
    story by fexl · 2012-05-06 · 0 comments
  26. Here's the direct link to spawn: https://github.com/chkoreff/Fexl/blob/b1e149d1a0795aa191b887...
    comment by fexl · 2012-05-03 · in New "spawn" function in Fexl makes it easy to interact with a child process.
  27. ▲ 1
    New "spawn" function in Fexl makes it easy to interact with a child process.
    story by fexl · 2012-05-03 · 2 comments
  28. …context with a potentially enormous set of extra definitions, spread across multiple files: https://github.com/chkoreff/Fexl/blob/ced168cae71644ff9a9cb3...
    comment by fexl · 2012-05-01 · in Fexl standard context now defined in terms of elegant combinators
  29. ▲ 2
    Fexl standard context now defined in terms of elegant combinators
    story by fexl · 2012-05-01 · 1 comment
  30. ▲ 2
    Added file operations to Fexl
    story by fexl · 2012-04-26 · 1 comment
  31. ▲ 1
    Fexl now has a top-level library written in Fexl itself.
    story by fexl · 2012-04-19 · 1 comment
  32. ▲ 2
    Enhanced meta-parsing in Fexl, with example scripts.
    story by fexl · 2012-04-16 · 1 comment
  33. ▲ 1
    Helpful information in Fexl README (scroll down)
    story by fexl · 2012-04-05 · 0 comments
  34. ▲ 1
    Fexl meta-parsing and symbol resolution radically simplified.
    story by fexl · 2012-04-03 · 1 comment
  35. ▲ 1
    Fexl b28 released
    story by fexl · 2012-03-31 · 0 comments
  36. ▲ 1
    Fexl version b26 released
    story by fexl · 2012-03-30 · 1 comment
  37. ▲ 2
    Fexl version b24 released
    story by fexl · 2012-03-29 · 0 comments
  38. ▲ 1
    Fexl now has support to manipulate Fexl types within Fexl.
    story by fexl · 2012-03-26 · 0 comments
  39. Here are the links: http://lkml.indiana.edu/hypermail/linux/kernel/0206.1/0402.h... https://github.com/chkoreff/Fexl/commit/9e361240168151706bcc...
    comment by fexl · 2012-03-25 · in On the use of "pointerness" in typedef
  40. ▲ 1
    On the use of "pointerness" in typedef
    story by fexl · 2012-03-25 · 1 comment
  41. ▲ 1
    Fexl b16 released
    story by fexl · 2012-03-24 · 0 comments
  42. ▲ 2
    Fexl now uses dynamic symbol lookup.
    story by fexl · 2012-03-23 · 1 comment
  43. …as far-reaching as what you've done. When I write C code, I use a "build" script instead of "make": https://github.com/chkoreff/Fexl/blob/master/src/build (Never mind Fexl itself, I'm just sharing the build script here.) The build script…
    comment by fexl · 2011-11-17 · in Show HN: @, a self modifying shell script/swiss army knife
  44. …tool. It seems reasonably fast for my purposes so far, and the expansion rule is just a one-liner: https://github.com/chkoreff/Fexl/blob/master/src/Y.c
    comment by fexl · 2011-07-16 · in What is a y-combinator?
  45. …Not really. Well, sort of. I mean, take a look at the reduction code for adding two long values: https://github.com/chkoreff/Fexl/blob/master/src/long_add.c In short, when you evaluate (long_add 2 3), that value is replaced with the number…
    comment by fexl · 2011-07-01 · in Fexl - a Function Expression Language
  46. …utility, but sometimes you just have to be careful. Take for example my "build" script for Fexl (at https://github.com/chkoreff/Fexl/blob/master/src/build ). There you will see these lines: # I don't use $obj and $bin here because that…
    comment by fexl · 2011-06-16 · in Review my idea: Preventing accidental usage /bin/rm