http://www.perlmonks.org?node_id=405790


in reply to Why Perl Is Not My Favourite Functional Programming Language
in thread A mini-language for sequences (part 1)

When Perl 6 is ready, you will be able to use:

my $plus_op_subref = \&infix:+; my $not_op_subref = \&prefix:!; say $plus_op_subref.(3, 2); # 5

not tested ;)