/    P e r l   6   \
                 Perl 5  Number  String  Bool
Impose context           +       ~       ?
Bitwise OR       |       +|      ~|      ?|     Logic OR:  ||, or
Bitwise AND      &       +&      ~&      ?&     Logic AND: &&, and
Bitwise XOR      ^       +^      ~^      ?^     Logic XOR: ^^, xor
Bitwise NOT      ~       +^      ~^      ?^, !  Logic NOT: !,  not
Bitshift left    <<      +<      ~<
Bitshift right   >>      +>      ~>