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Revision as of 17:40, 20 February 2024

152 bytes removed ,  20 February
→‎Dyalog settings
 
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== Dyalog settings ==
== Dyalog settings ==


Dyalog APL currently offers the following settings:
Dyalog's default setting is currently <syntaxhighlight lang=apl inline>⎕ML=1</syntaxhighlight>.


{| class=wikitable
{| class=wikitable
| <syntaxhighlight lang=apl inline>⎕ML=0</syntaxhighlight>
! Feature !! <syntaxhighlight lang=apl inline>⎕ML←0</syntaxhighlight> !! <syntaxhighlight lang=apl inline>⎕ML←1</syntaxhighlight> !! <syntaxhighlight lang=apl inline>⎕ML←2</syntaxhighlight> !! <syntaxhighlight lang=apl inline>⎕ML←3</syntaxhighlight>
| <syntaxhighlight lang=apl inline>Z←∊R</syntaxhighlight>
|-
| Monadic <syntaxhighlight lang=apl inline>∊</syntaxhighlight> is interpreted as [[Type]] rather than [[Enlist]].
| Monadic <syntaxhighlight lang=apl inline>∊</syntaxhighlight>
| [[Type]]
| [[Enlist]]
| [[Enlist]]
| [[Enlist]]
|-
|-
| <syntaxhighlight lang=apl inline>⎕ML=1</syntaxhighlight>
| Monadic <syntaxhighlight lang=apl inline>↑</syntaxhighlight>
|  
| [[Mix]]
| Default behaviour
| [[Mix]]
| [[First]]
| [[First]]
|-
|-
| rowspan=3 | <syntaxhighlight lang=apl inline>⎕ML≥2</syntaxhighlight>
| Monadic <syntaxhighlight lang=apl inline>⊃</syntaxhighlight>
| <syntaxhighlight lang=apl inline>Z←↑R</syntaxhighlight>
| [[First]]
| Monadic <syntaxhighlight lang=apl inline>↑</syntaxhighlight> is interpreted as [[First]] rather than [[Mix]].
| [[First]]
| [[Mix]]
| [[Mix]]
|-
|-
| <syntaxhighlight lang=apl inline>Z←⊃R</syntaxhighlight>
| Monadic <syntaxhighlight lang=apl inline>≡</syntaxhighlight> on array of uneven [[depth]]
| Monadic <syntaxhighlight lang=apl inline>⊃</syntaxhighlight> is interpreted as [[Mix]] rather than [[First]].
| negative result
| negative result
| positive result
| positive result
|-  
|-  
| <syntaxhighlight lang=apl inline>Z←≡R</syntaxhighlight>
| Dyadic <syntaxhighlight lang=apl inline>⊂</syntaxhighlight>
| Monadic <syntaxhighlight lang=apl inline>≡</syntaxhighlight> returns a positive rather than a negative value, if its argument has non-uniform [[depth]].
| [[Partitioned enclose]]
| [[Partitioned enclose]]
| [[Partitioned enclose]]
| [[Partition]]
|-
|-
| rowspan=2| <syntaxhighlight lang=apl inline>⎕ML=3</syntaxhighlight>
| <syntaxhighlight lang=apl inline>R←X⊂[K]Y</syntaxhighlight>
| Dyadic <syntaxhighlight lang=apl inline>⊂</syntaxhighlight> is interpreted as [[Partition]] (<syntaxhighlight lang=apl inline>⊆</syntaxhighlight>) rather than [[Partitioned Enclose]].
|-
| <syntaxhighlight lang=apl inline>⎕TC</syntaxhighlight>
| <syntaxhighlight lang=apl inline>⎕TC</syntaxhighlight>
| The order of the elements of <syntaxhighlight lang=apl inline>⎕TC</syntaxhighlight> is the same as in APL2.
| <syntaxhighlight lang=apl inline>⎕UCS 8 10 13</syntaxhighlight>
| <syntaxhighlight lang=apl inline>⎕UCS 8 10 13</syntaxhighlight>
| <syntaxhighlight lang=apl inline>⎕UCS 8 10 13</syntaxhighlight>
| <syntaxhighlight lang=apl inline>⎕UCS 8 13 10</syntaxhighlight>
|}
|}


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| <syntaxhighlight lang=apl inline>⎕ML=0</syntaxhighlight>
| <syntaxhighlight lang=apl inline>⎕ML=0</syntaxhighlight>
| <syntaxhighlight lang=apl>Epsilon←{×⎕NC'⍺':⍺∊⍵ ⋄ ⊃0⍴⊂⍵}</syntaxhighlight>
| <syntaxhighlight lang=apl>Epsilon←{×⎕NC'⍺':⍺∊⍵ ⋄ ⊃0⍴⊂⍵}</syntaxhighlight>
| <syntaxhighlight lang=apl inline>'''[^'']+''' '∊'⎕R'&' 'Epsilon'</syntaxhighlight>
| <syntaxhighlight lang=apl inline>'''[^'']+''' '∊'⎕R'&' ' Epsilon '</syntaxhighlight>
|-
|-
| <syntaxhighlight lang=apl inline>⎕ML=2</syntaxhighlight>
| <syntaxhighlight lang=apl inline>⎕ML=2</syntaxhighlight>
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EqualUnderbar←|≡
EqualUnderbar←|≡
</syntaxhighlight>
</syntaxhighlight>
| <syntaxhighlight lang=apl inline>'''[^'']+''' '↑' '⊃' '≡'⎕R'&' 'UpArrow' 'RightShoe' 'EqualUnderbar'</syntaxhighlight>
| <syntaxhighlight lang=apl inline>'''[^'']+''' '↑' '⊃' '≡'⎕R'&' ' UpArrow ' ' RightShoe ' ' EqualUnderbar '</syntaxhighlight>
|-
|-
| <syntaxhighlight lang=apl inline>⎕ML=3</syntaxhighlight>
| <syntaxhighlight lang=apl inline>⎕ML=3</syntaxhighlight>
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quadTC←(⎕UCS 8 13 10)
quadTC←(⎕UCS 8 13 10)
</syntaxhighlight>
</syntaxhighlight>
| <syntaxhighlight lang=apl inline>'''[^'']+''' '↑' '⊃' '≡' '⊂' '⎕TC'⎕R'&' 'UpArrow' 'RightShoe' 'EqualUnderbar' 'LeftShoe' ' quadTC'</syntaxhighlight>
| <syntaxhighlight lang=apl inline>'''[^'']+''' '↑' '⊃' '≡' '⊂' '⎕TC'⎕R'&' ' UpArrow ' ' RightShoe ' ' EqualUnderbar ' ' LeftShoe ' ' quadTC '</syntaxhighlight>
|}
|}
Alternatively, the definitions can be used directly inside the text substitutions, whereby one avoids polluting existing code with these cover names.
Alternatively, the definitions can be used directly inside the text substitutions, whereby one avoids polluting existing code with these cover names.
Retrieved from ‘https://aplwiki.com/wiki/Special:MobileDiff/10994’

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