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Defined function (traditional): Difference between revisions
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Defined function (traditional) (view source)
Revision as of 10:02, 19 July 2020
, 10:02, 19 July 2020→Examples
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== Examples == | == Examples == | ||
[[Ambivalent function]] with optional left argument and one local variable (Dyalog APL): | [[Ambivalent function]] with an optional left argument, a conditional [[control structure]] and one local variable (Dyalog APL): | ||
<source lang=apl> | <source lang=apl> | ||
∇ res←{left} AddMult2 right;local | ∇ res←{left} AddMult2 right;local | ||
:If 0=⎕NC'left' | :If 0=⎕NC'left' ⍝ if variable "left" is not defined already | ||
left←0 | |||
:EndIf | :EndIf | ||
local←left+right | local←left+right | ||