8 lines
416 B
Perl
8 lines
416 B
Perl
sub apply (&@) { # use & as the first item in a prototype to take bare blocks like map and grep
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my ($sub, @ret) = @_; # this function applies a function that is expected to modify $_ to a list
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$sub->() for @ret; # it allows for simple inline application of the s/// and tr/// constructs
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@ret
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}
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print join ", " => apply {tr/aeiou/AEIOU/} qw/one two three four/;
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# OnE, twO, thrEE, fOUr
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