Apply a callback to an array: Difference between revisions
Added Perl 6.
Underscore (talk | contribs) (Added Perl 6.) |
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# filter an array
my @e = grep { $_ % 2 == 0 } @a; # @e is now (2, 4)</lang>
=={{header|Perl 6}}==
{{works with|Rakudo|#21 "Seattle"}}
<lang perl6>my $function = { 2*$^x + 3 };
my @array = 1 .. 5;
.say for map $function, @array;
.say for @array.map($function);
for @array {
say $function($_);
}</lang>
=={{header|PHP}}==
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