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'''ngn/apl''' is an APL bytecode compiler and interpreter by [[Nick Nickolov]]. Because it is implemented in [[wikipedia:Javascript|Javascript]], it can be run in [[wikipedia:Node.js|Node.js]] or any modern browser. | '''ngn/apl''' is an APL bytecode compiler and interpreter by [[Nick Nickolov]]. Because it is implemented in [[wikipedia:Javascript|Javascript]], it can be run in [[wikipedia:Node.js|Node.js]] or any modern browser. | ||
ngn/apl supports most of the core language of [[Dyalog APL 14.0]],: [[dfn]]s (<source lang=apl inline>{⍺ ⍵}</source>), [[nested array]]s, [[complex number]]s (<source lang=apl inline>1j2</source>), [[Function train|forks and atops]], [[Multiple assignment|strand assignment]] (<source lang=apl inline>(a b)←c</source>), [[indexed assignment]] (<source lang=apl inline>a[b]←c</source>), and [[dop|user-defined operators]] (<source lang=apl inline>{⍺⍺ ⍵⍵}</source>), but does not support [[Key]] (<source lang=apl inline>⌸</source>), [[Rank (operator|Rank (operator]] (<source lang=apl inline>⍤</source>) [[tradfn]]s (<source lang=apl inline>∇R←X f Y</source>), non-zero [[index origin]] (<source lang=apl inline>⎕IO←1</source>), [[comparison tolerance]] (<source lang=apl inline>⎕CT</source>), [[prototype]]s (it always uses zero as fill), [[modified assignment]] (<source lang=apl inline>x+←1</source>), [[keyword]]s (<source lang=apl inline>:If</source>), [[object-oriented programming]], or [[namespace]]s. It extends Dyalog APL with [[Infinity|infinities]] (<source lang=apl inline>¯</source> or <source lang=apl inline>∞</source>) and a few additoinal primitives. | ngn/apl supports most of the core language of [[Dyalog APL 14.0]],: [[dfn]]s (<source lang=apl inline>{⍺ ⍵}</source>), [[nested array]]s, [[complex number]]s (<source lang=apl inline>1j2</source>), [[Function train|forks and atops]], [[Multiple assignment|strand assignment]] (<source lang=apl inline>(a b)←c</source>), [[indexed assignment]] (<source lang=apl inline>a[b]←c</source>), and [[dop|user-defined operators]] (<source lang=apl inline>{⍺⍺ ⍵⍵}</source>), but does not support [[Key]] (<source lang=apl inline>⌸</source>), [[Rank (operator)|Rank (operator]] (<source lang=apl inline>⍤</source>) [[tradfn]]s (<source lang=apl inline>∇R←X f Y</source>), non-zero [[index origin]] (<source lang=apl inline>⎕IO←1</source>), [[comparison tolerance]] (<source lang=apl inline>⎕CT</source>), [[prototype]]s (it always uses zero as fill), [[modified assignment]] (<source lang=apl inline>x+←1</source>), [[keyword]]s (<source lang=apl inline>:If</source>), [[object-oriented programming]], or [[namespace]]s. It extends Dyalog APL with [[Infinity|infinities]] (<source lang=apl inline>¯</source> or <source lang=apl inline>∞</source>) and a few additoinal primitives. | ||
On December 27, 2020, Nickolov announced that he would discard his implementation.<ref>Nickolov, N. "ngn". [https://chat.stackexchange.com/transcript/message/56558504#56558504 Announcement]. [[APL Orchard]]. Stack Exchange chat.</ref> Soon after, [[Adám Brudzewsky]] took up the mantle of hosting the source and online demo.<ref>Brudzewsky, A. "Adám". [https://chat.stackexchange.com/transcript/message/56558600#56558600 Announcement]. [[APL Orchard]]. Stack Exchange chat.</ref> | On December 27, 2020, Nickolov announced that he would discard his implementation.<ref>Nickolov, N. "ngn". [https://chat.stackexchange.com/transcript/message/56558504#56558504 Announcement]. [[APL Orchard]]. Stack Exchange chat.</ref> Soon after, [[Adám Brudzewsky]] took up the mantle of hosting the source and online demo.<ref>Brudzewsky, A. "Adám". [https://chat.stackexchange.com/transcript/message/56558600#56558600 Announcement]. [[APL Orchard]]. Stack Exchange chat.</ref> | ||
Revision as of 12:10, 3 August 2021
ngn/apl is an APL bytecode compiler and interpreter by Nick Nickolov. Because it is implemented in Javascript, it can be run in Node.js or any modern browser.
ngn/apl supports most of the core language of Dyalog APL 14.0,: dfns ({⍺ ⍵}), nested arrays, complex numbers (1j2), forks and atops, strand assignment ((a b)←c), indexed assignment (a[b]←c), and user-defined operators ({⍺⍺ ⍵⍵}), but does not support Key (⌸), Rank (operator (⍤) tradfns (∇R←X f Y), non-zero index origin (⎕IO←1), comparison tolerance (⎕CT), prototypes (it always uses zero as fill), modified assignment (x+←1), keywords (:If), object-oriented programming, or namespaces. It extends Dyalog APL with infinities (¯ or ∞) and a few additoinal primitives.
On December 27, 2020, Nickolov announced that he would discard his implementation.[1] Soon after, Adám Brudzewsky took up the mantle of hosting the source and online demo.[2]
File:Ngn/apl
ngn/apl's demo interface
External link
- Compiling APL to JavaScript article in the Vector journal
- ngn/apl on REPL
- ngn/APL on Try It Online
- Online demo
- Online session
- Source code
References
- ↑ Nickolov, N. "ngn". Announcement. APL Orchard. Stack Exchange chat.
- ↑ Brudzewsky, A. "Adám". Announcement. APL Orchard. Stack Exchange chat.
| APL dialects [edit] | |
|---|---|
| Maintained | APL+Win ∙ APL2 ∙ APL64 ∙ APL\iv ∙ Aplette ∙ April ∙ Co-dfns ∙ Dyalog APL ∙ Dyalog APL Vision ∙ dzaima/APL ∙ GNU APL ∙ Kap ∙ NARS2000 ∙ Pometo ∙ TinyAPL |
| Historical | A Programming Language ∙ A+ (A) ∙ APL# ∙ APL2C ∙ APL\360 ∙ APL/700 ∙ APL\1130 ∙ APL\3000 ∙ APL.68000 ∙ APL*PLUS ∙ APL.jl ∙ APL.SV ∙ APLX ∙ Extended Dyalog APL ∙ Iverson notation ∙ IVSYS/7090 ∙ NARS ∙ ngn/apl ∙ openAPL ∙ Operators and Functions ∙ PAT ∙ Rowan ∙ SAX ∙ SHARP APL ∙ Rationalized APL ∙ VisualAPL (APLNext) ∙ VS APL ∙ York APL |
| Derivatives | AHPL ∙ BQN ∙ CoSy ∙ ELI ∙ Glee ∙ I ∙ Ivy ∙ J ∙ Jelly ∙ K (Goal, Klong, Q) ∙ KamilaLisp ∙ Lang5 ∙ Lil ∙ Nial ∙ RAD ∙ Uiua |
| Overviews | Comparison of APL dialects ∙ Timeline of array languages ∙ Timeline of influential array languages ∙ Family tree of array languages |