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gfldex/gist:2835895

Created May 30, 2012 12:13
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huh?
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gistfile1.txt
use v6;
subset HTMLColor of Str where { * ~~ / '#'<:hexdigit> ** 6 / };
sub alternator (HTMLColor $a is copy, HTMLColor $b is copy){
return sub () {
return (($a, $b) = ($b, $a))[0];
}
}
my $bg_color := alternator('#00aa00', '#00bb00');
say $bg_color() for 1..10;
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