Trying.apl Save
APL is the greatest language ever
Project README
Trying APL
This repository contains a handful of basic APL snippets, demonstrating each and every operator's purpose and behavior.
The ex/ directory contains a few examples, mostly from Programming Puzzles & Code Golf Stack Exchange.
Table of contents
Evolution level: 1
| Filename | Symbol name | Symbol | Monadic | Dyadic | Operator (higher-order) |
| assign | left arrow | ← | Assignment | ||
| index | iota | ⍳ | Index Generator | Index of | |
| reduce-replicate | slash | / | Replicate | Reduce | |
| shaped | rho | ⍴ | Shape-of | Reshape | |
| mix-take | up arrow | ↑ | Mix | Take | |
| enclose | left shoe | ⊂ | Enclose | Partitioned enclose | |
| first-pick | right shoe | ⊃ | First | Pick | |
| rand | question mark | ? | Roll | Deal | |
| commute | tilde dieresis | ⍨ | Commute | ||
| element-s | epsilon | ∊ | Enlist (flat) | Membership | |
| rev-rot | circle stile | ⌽ | Reverse (inner) | Rotate (inner) | |
| rev-rot-first | circle bar | ⊖ | Reverse first (outer) | Rotate first (outer) | |
| not-without | tilde | ~ | Not | Without | |
| cat | comma | , | Ravel | Concatenate | |
| logic | Logical {N,}{and,or} | ∧, ∨, ⍲, ⍱ | and, or, nand, nor | ||
| compare | {Not,} Equal | {Greater,Lower} than{,or equal} | , ≤, ≥, =, ≠ | lower, greater, lower-or-eq, greater-or-eq, eq, not-eq | ||
| grade | grade {up,down} | ⍋ (up), ⍒ (down) | Grade {Up,Down} | Dyadic Grade {Up,Down} | |
| each | dieresis | ¨ | Each | ||
| function | braces | { and } | ⍵ (monadic argument) / ⍵⍵ (function monadic argument) | ⍺ (dyadic argument) / ⍺⍺ (function dyadic argument) | Function |
| depth-match | equal underbash | ≡ | Depth | Match | |
| tally-notmatch | equal underbash slash | ≢ | Tally | Not-match | |
| statement | diamond | ⋄ | Statement separator | ||
| short-circuit | colon | : | returns ⍵ from ∇ if ⍺=1 | ||
| compose | jot | ∘ | Monadic compose (e.g.: ⍴∘⍴) / Currying | ||
| pointfree (implicit composition) | |||||
| inner-product | dot | . | Inner product (e.g.: +.×) | ||
| outer-product | jot + dot | ∘. | Outer product (e.g.: ∘.+) | ||
| rank | jot diaerisis | ⍤ | (⍵ is the new rank of the operator) | changes the rank of ⍺⍺ | |
| variant | quad colon | ⍠ | Sets option value | ||
| key | quad equal | ⌸ | Returns an scalar vector (key, positions for the key) |
Open Source Agenda is not affiliated with "Trying.apl" Project. README Source: vendethiel/trying.apl
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