I searched CPAN, Googled, and looked here but found no answers. Could someone explain what these bits of code (from MJD QOTW) do? (<at> and is) 
my  <at> rows = split /\n/, $_;
my $x = pop  <at> rows;

is(scalar( <at> $result), $n_courses, "test $.: one room per course");

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In reply to New functions? by Anonymous Monk

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