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use Test::More tests => 7;
use strict;
use warnings;
use Iterator::Simple qw(:all);
my $itr;
{
$_ = 'DUMMY';
list(igrep { $_ % 5 } [1..20]);
is($_, 'DUMMY', 'preserve $_ value after igrep');
list(imap { $_ + 2 } [1..20]);
is($_, 'DUMMY', 'preserve $_ value after imap');
$itr = ifilter [1 .. 20], sub {
if($_ % 5 == 0) {
return iter([1 .. $_]); #inflate
}
elsif($_ % 3 == 0) {
return; #skip
}
else {
return $_;
}
};
list($itr);
is($_, 'DUMMY', 'preserve $_ value after ifilter');
list(izip(['dogs', 'cats', 'pigs'], ['bowow','mew','oink']));
is($_, 'DUMMY', 'preserve $_ value after izip');
list(ichain ['blah', 'bla', 'bl'], ['foo', 'bar', 'baz']);
is($_, 'DUMMY', 'preserve $_ value after ichain');
list(ienumerate(['foo','bar','baz']));
is($_, 'DUMMY', 'preserve $_ value after ienumerate');
list(islice([1..100], 3, 20, 2));
is($_, 'DUMMY', 'preserve $_ value after islice');
}
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