Loops/Do-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 is array-oriented, so there is very little need for loops. For example, one could satisfy this task this way: |
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<syntaxhighlight lang=J> ,.([^:(0=6|])>:)^:a: 0 |
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</syntaxhighlight> |
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This could also be accomplished using [[j:Vocabulary/zcapco|Z:]] to provide early termination from a [[j:Vocabulary/fcap|fold]]: |
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<syntaxhighlight lang=J> 0#]F.(>: [ echo [ _2 Z: * * 0=6|]) 0 |
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</syntaxhighlight> |
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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). |
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). |
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