Loops/Foreach: Difference between revisions
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=={{header|Perl 6}}== |
=={{header|Perl 6}}== |
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{{works with|Rakudo| |
{{works with|Rakudo|2015.10-40}} |
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<lang perl6>say $_ for @collection;</lang> |
<lang perl6>say $_ for @collection;</lang> |
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Perl 6 leaves off the <tt>each</tt> from <tt>foreach</tt>, leaving us with <tt>for</tt> instead. The variable <tt>$_</tt> refers to the current element, unless you assign a name to it using <tt>-></tt>. |
Perl 6 leaves off the <tt>each</tt> from <tt>foreach</tt>, leaving us with <tt>for</tt> instead. The variable <tt>$_</tt> refers to the current element, unless you assign a name to it using <tt>-></tt>. |
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<lang perl6>for @collection -> $currentElement { say $currentElement; }</lang> |
<lang perl6>for @collection -> $currentElement { say $currentElement; }</lang> |
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Perl 6 will do it's best to put the topic at the right spot. |
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<lang perl6>.say for @collection; |
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for @collection { .say };</lang> |
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Iteration can also be done with hyperoperators. In this case it's a candidate for autothreading and as such, execution order may vary. The resulting list will be in order. |
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<lang per6>@collection>>.say; |
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@collection>>.=&infix:<+>(2); # increment each element by 2</lang> |
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=={{header|Phix}}== |
=={{header|Phix}}== |
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