Up Arrow: Difference between revisions
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The [[glyph]] '''up arrow''' (or '''pike''', in [[A Dictionary of APL]]) is an upwards pointing arrow represented by the [[Unicode]] character <code>↑</code>, "upwards arrow". The up arrow has several uses in various dialects: | The [[glyph]] '''up arrow''' (or '''pike''', in [[A Dictionary of APL]]) is an upwards pointing arrow represented by the [[Unicode]] character <code>↑</code>, "upwards arrow". The up arrow has several uses in various dialects: | ||
* In all dialects, <source lang=apl inline>↑</ | * In all dialects, <source lang=apl inline>↑</syntaxhighlight> is [[Take]] when used dyadically (except very early versions of [[APL\360]], which used it for [[Rotate]]). | ||
* In [[SHARP APL]], <source lang=apl inline>↑</ | * In [[SHARP APL]], <source lang=apl inline>↑</syntaxhighlight> is [[Unique|Nub]] when monadic. | ||
* In [[APL2]], [[NARS2000]], [[GNU APL]], and [[APLX]], <source lang=apl inline>↑</ | * In [[APL2]], [[NARS2000]], [[GNU APL]], and [[APLX]], <source lang=apl inline>↑</syntaxhighlight> is [[First]] when monadic. | ||
* In [[Dyalog APL]], [[dzaima/APL]], and [[ngn/apl]], <source lang=apl inline>↑</ | * In [[Dyalog APL]], [[dzaima/APL]], and [[ngn/apl]], <source lang=apl inline>↑</syntaxhighlight> is [[Mix]] when monadic. | ||
* In [[A+]], <source lang=apl inline>↑</ | * In [[A+]], <source lang=apl inline>↑</syntaxhighlight> is [[Signal]], giving an error with the specified message, when monadic. | ||
{{APL glyphs}}[[Category:Glyphs]] | {{APL glyphs}}[[Category:Glyphs]] | ||
Revision as of 10:44, 11 September 2022
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The glyph up arrow (or pike, in A Dictionary of APL) is an upwards pointing arrow represented by the Unicode character ↑, "upwards arrow". The up arrow has several uses in various dialects:
- In all dialects, <source lang=apl inline>↑</syntaxhighlight> is Take when used dyadically (except very early versions of APL\360, which used it for Rotate).
- In SHARP APL, <source lang=apl inline>↑</syntaxhighlight> is Nub when monadic.
- In APL2, NARS2000, GNU APL, and APLX, <source lang=apl inline>↑</syntaxhighlight> is First when monadic.
- In Dyalog APL, dzaima/APL, and ngn/apl, <source lang=apl inline>↑</syntaxhighlight> is Mix when monadic.
- In A+, <source lang=apl inline>↑</syntaxhighlight> is Signal, giving an error with the specified message, when monadic.
| APL glyphs [edit] | |
|---|---|
| Information | Glyph ∙ Typing glyphs (on Linux) ∙ Unicode ∙ Fonts ∙ Mnemonics ∙ Overstrikes ∙ Migration level |
| Individual glyphs | Jot (∘) ∙ Right Shoe (⊃) ∙ Up Arrow (↑) ∙ Zilde (⍬) ∙ High minus (¯) ∙ Dot (.) ∙ Del (∇)
|