use Test::More qw(no_plan); use Acme::Lambda; use utf8; my $sub = lambda {my $x = shift; $x*$x}; is(ref($sub), "CODE", "lambda returns a subref"); is($sub->(4), 16, "subref returns correct value"); my $sub2 = λ{my $x = shift; $x*$x}; is(ref($sub2), "CODE", "λ returns a subref"); is($sub2->(4), 16, "subref returns correct value");