3 ms·

This great. I wish exist more information on the array family (and with less "condensed" syntax :)). I'm building a relational language and have tried to borr

by mamcx 7y ago

This great. I wish exist more information on the array family (and with less "condensed" syntax :)). I'm building a relational language and have tried to borrow some ideas, but apart from the very basics is not much info out (and most are about numerics). For example, how about crud operations.? Lazy evaluation?

kick 7y ago
The condensed "syntax" (notation) is actually a feature! Read "Notation as a Tool of Thought" to learn more, it's actually one of the best parts of APL as a whole.
- mamcx 7y ago
  Yeah, i have read it (is good!). But could be useful to de-compress it and see how is used "normally" then the step back, I think.
  - Firadeoclus 7y ago
    Indeed, as someone who's learning a bit of APL on the side I'd love to have a tool that can "explain" a line of APL on demand, e.g. show the parse tree, name built-in functions and operators, expand trains, possibly name common idioms. I find the concepts in APL very simple. The difficulty for me is in becoming comfortable reading it. Such a tool would make it quick and easy to confirm one's initially very tentative guesses as to what a line means, and gradually you'd come to depend less on it as you get more confident that your initial understanding is right.
    - kick 7y ago
      Have you seen the FinnAPL idiom library? https://www.finnapl.fi/idilib.htm https://www.finnapl.fi/idilib.htm And not that I'd recommend using proprietary software, but something that might be helpful for you regarding naming is that Dyalog APL has a top bar with every character used in modern APL, the name of them, and (I think, I've never actually used the system) an example of how to use them.
      - Firadeoclus 7y ago
        Thanks for the link. Yes, I've seen other idiom libraries as well, and what I'd like to see is automatic lookup of those idioms, with a name, and optional further breakdown.

3 ms·

This great. I wish exist more information on the array family (and with less "condensed" syntax :)). I'm building a relational language and have tried to borr

by mamcx 7y ago

kick 7y ago
The condensed "syntax" (notation) is actually a feature! Read "Notation as a Tool of Thought" to learn more, it's actually one of the best parts of APL as a whole.
- mamcx 7y ago
  Yeah, i have read it (is good!). But could be useful to de-compress it and see how is used "normally" then the step back, I think.
  - Firadeoclus 7y ago
    Indeed, as someone who's learning a bit of APL on the side I'd love to have a tool that can "explain" a line of APL on demand, e.g. show the parse tree, name built-in functions and operators, expand trains, possibly name common idioms. I find the concepts in APL very simple. The difficulty for me is in becoming comfortable reading it. Such a tool would make it quick and easy to confirm one's initially very tentative guesses as to what a line means, and gradually you'd come to depend less on it as you get more confident that your initial understanding is right.
    - kick 7y ago
      Have you seen the FinnAPL idiom library? https://www.finnapl.fi/idilib.htm https://www.finnapl.fi/idilib.htm And not that I'd recommend using proprietary software, but something that might be helpful for you regarding naming is that Dyalog APL has a top bar with every character used in modern APL, the name of them, and (I think, I've never actually used the system) an example of how to use them.
      - Firadeoclus 7y ago
        Thanks for the link. Yes, I've seen other idiom libraries as well, and what I'd like to see is automatic lookup of those idioms, with a name, and optional further breakdown.