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Loops/While: Difference between revisions
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J is array-oriented, so there is very little need for loops. For example, one could satisfy this task this way:
J does support loops for those times they can't be avoided (just like many languages support gotos for those time they can't be avoided).
3 :
while. 0 < y do.
y 1!:2 ] 2
y =. <. -: y
end.
i. 0 0
)
Though it's rare to see J code like this.
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