Loops/Break: Difference between revisions
→{{header|J}}: show a fold single example
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=={{header|J}}==
In recent versions of J, [[j:Vocabulary/zcapco|Z:]] can be used to provide early termination from a [[j:Vocabulary/fcap|fold]]. For example:
<syntaxhighlight lang=J> ]F.(( _2 Z: 10&= [ echo)@(?@20))''
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6
5
10
]F.(( _2 Z: 10&= [ echo)@(?@20))''
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10
</syntaxhighlight>
But other mechanisms are also supported:
<syntaxhighlight lang="j">loopexample=: {{
while. do.
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