Primitives: Difference between revisions
→flesh out k9 a bit, minus ksql
(link named primitives) |
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All of K's primitives are made to be multipurpose, and have varied meanings based on the context they are used in. Symbol primitives can be either 1 or 2 characters long.
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| <code>+</code>
|
| || [[transpose]] || [[add]] || [[transpose]]||[[add]]
|-
| <code>-</code>
|
| || [[negate]] || [[subtract]] || [[negate]]||[[subtract]]
|-
| <code>*</code>
|
| || [[first]] || [[multiply]] || [[first]]||[[multiply]]
|-
| <code>%</code>
|[[reciprocal]]
| || [[square root]] || [[divide]] || ||[[divide]]
|-
| <code>!</code>
|
| || [[enum]], [[odometer]], [[keys]] || [[mod]], [[create dict]] || [[enum]] ([[odometer]]), [[keys]]||[[create dict]]
|-
| <code>&</code>
|
| || [[where]] || [[min]] || [[where]]||[[min]]
|-
| <code>|</code>
|
| || [[reverse]] || [[max]] || [[reverse]]||[[max]]
|-
| <code><</code>
|
| || [[grade up]] || [[lesser]] || [[Grade up|ascending]]||[[lesser]]
|-
| <code>></code>
|
| || [[grade down]]|| [[greater]] || [[Grade down|descending]]||[[greater]]
|-
| <code>=</code>
|
| || [[group]], [[identity matrix]] || [[equal]] || [[group]]||[[equal]]
|-
| <code>~</code>
|
| || [[not]] || [[match]] || [[not]]||[[match]]
|-
| <code>,</code>
|
| || [[enlist]] || [[concatenate]] || [[enlist]]||[[concatenate]]
|-
| <code>^</code>
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| <code>#</code>
|
| || [[length]] || [[take]], [[reshape]]|| [[count]]|| [[filter]], [[take]]
|-
| <code>_</code>
|
| || [[floor]], [[lowercase]] || [[drop]], [[delete]], [[cut]] || [[floor]]|| [[Filter|filter-out]], [[drop]]
|-
| <code>$</code>
|
| || [[string]] || [[pad]], [[cast]] || [[string]]||[[parse]]
|-
| <code>?</code>
|
| || [[distinct]], [[random-float]] || [[find]], [[random]] || [[unique]]||[[find]], [[random]] (with floats)
|-
| <code>@</code>
|[[Type|atom?]]
| || [[type]] || [[at]] || [[type]]|| [[cast]]
|-
| <code>.</code>
|
| || [[eval]], [[values]] || [[dot]] || [[eval]]||[[dot]]
|}
{| class="wikitable"
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| [[in]] [[prm]]
| [[in]] [[within]] [[bin]] [[like]] [[find]] [[freq]] [[prm]] [[cmb]]
|[[in]] [[bin]] [[within]] [[has]] [[prm]] [[freq]] [[cmb]]
|-
|math
| [[sin]] [[cos]] [[exp]] [[log]]
| [[sqrt]] [[sin]] [[cos]] [[abs]] [n][[log]] [n][[exp]] [n][[rand]]
|[[sin]] [[cos]] [[log]] [[div]](`i) [[exp]] [[sqr]] [[sqrt]] [[Dot product|dot]] [[bar]] [[deltas]] [[sum]] [[sums]] [[rand]]
|-
|stats
|
|[[count]] [[first]] [[last]] [[min]] [[max]] [[sum]] [[avg]] [[var]] [[dev]] [[med]]
|[[count]] [[first]] [[last]] [[avg]] [[med]] [[mode]] [[var]] [[mavg]] [[msum]]
|-
|table(K7+)
|
|[[asc]] [[dsc]] [[key]]
|[[top]] [[key]] [[unkey]] [[meta]]
|-
|misc
|
|[[min]] [[max]] [[asc]]
|[[min]] [[max]] [[countd]]?
|}
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! !! K3-K6!! K9
|-
| <code>'</code>|| [[each]] | [[binary search]] ||[[Each|each |]] [[binary search]]
|-
| <code>/</code>|| [[over]] | [[fixedpoint]] | [[for]] | [[while]] | [[join]] | [[base encode]]||[[over]] | [[join]] | [[base encode]]
|-
|<code>\</code>|| [[scan]] | [[scan-fixedpoint]] | [[scan-for]] | [[scan-while]] | [[split]] | [[base decode]]||[[scan]] | [[split]] | [[base decode]]
|-
|<code>':</code>||[[each prior]] | [[windows]]||[[each prior]]
|-
|<code>/:</code>||[[each right]]||[[each right]]
|-
|<code>\:</code>||[[each left]]||[[each left]]
|}
| |||