Klong
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Klong is a language based on K (probably K3) which removes K's syntactic ambiguity and much of its overloading by using more digraphs (primitive functions and operators composed of two characters) to separate extra meanings. The removal of syntactic ambiguity means Klong has a context-free grammar.
Primitives
Klong documentation refers to primitive functions ("verbs" in K) as "operators".
| Operator | Monadic | Dyadic |
|---|---|---|
+ |
Transpose | Plus |
- |
Negate | Minus |
* |
First | Times |
% |
Reciprocal | Divide |
:% |
Integer-Divide | |
| |
Reverse | Max/Or |
:+ |
Rotate | |
& |
Expand/Where | Min/And |
^ |
Shape | Power |
:^ |
Reshape | |
! |
Enumerate | Remainder |
< |
Grade-Up | Less |
> |
Grade-Down | More |
= |
Group | Equal |
~ |
Not | Match |
@ |
Atom | Index/Apply |
:@ |
Index-in-Depth | |
? |
Range (Unique) | Find |
, |
List (like Enclose) | Join (like Catenate) |
_ |
Floor | Drop |
:_ |
Undefined | Cut |
:# |
Char | Split (Partition by lengths) |
# |
Size | Take |
$ |
Format | Format2 |
:= |
Amend | |
:- |
Amend-in-Depth | |
:: |
Define | |
:$ |
Form |
| Adverb | Definition |
|---|---|
f'a |
Each |
a f'b |
Each2 |
a f:\b |
Each-Left |
a f:/b |
Each-Right |
f:'b |
Each-Pair |
f/a |
Over |
a f/b |
Over-Neutral |
f:~a |
Converge |
a f:~b |
While |
a f:*b |
Iterate |
f\a |
Scan-Over |
a f\b |
Scan-Over-Neutral |
f\~a |
Scan-Converging |
a f\~a |
Scan-While |
a f\*a |
Scan-Iterating |
External links
| APL dialects [edit] | |
|---|---|
| Maintained | APL+Win ∙ APL2 ∙ APL64 ∙ APL\iv ∙ Aplette ∙ April ∙ Co-dfns ∙ Dyalog APL ∙ dzaima/APL ∙ Extended Dyalog APL ∙ GNU APL ∙ KAP ∙ NARS2000 ∙ Pometo |
| Historical | A Programming Language ∙ A+ (A) ∙ APL# ∙ APL\360 ∙ APL/700 ∙ APL\1130 ∙ APL\3000 ∙ APL.68000 ∙ APL*PLUS ∙ APL.jl ∙ APL.SV ∙ APLX ∙ Iverson notation ∙ IVSYS/7090 ∙ NARS ∙ ngn/apl ∙ openAPL ∙ PAT ∙ Rowan ∙ SAX ∙ SHARP APL ∙ Rationalized APL ∙ VisualAPL (APLNext) ∙ VS APL ∙ York APL |
| Derivatives | AHPL ∙ BQN ∙ CoSy ∙ ELI ∙ Glee ∙ I ∙ Ivy ∙ J ∙ Jelly ∙ Jellyfish ∙ K (Q, KDB+) ∙ Nial ∙ RAD |
| Overviews | Timeline of array languages ∙ Timeline of influential array languages ∙ Family tree of array languages |
