Up Arrow
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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,
↑is Take when used dyadically (except very early versions of APL\360, which used it for Rotate). - In SHARP APL,
↑is Nub when monadic. - In APL2, NARS2000, GNU APL, and APLX,
↑is First when monadic. - In Dyalog APL, dzaima/APL, and ngn/apl,
↑is Mix when monadic. - In A+,
↑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 (∇)
|