comment on

Perl 6:

0/FALSE: 0, "0", "", undef ("0" is true if the type is Str)
1/TRUE:  everything else

 AND    OR     XOR   NOT
+&     +|     +^     +^    <-- bitwise, numeric
~&     ~|     ~^     ~^    <-- bitwise, string
?&     ?|     ?^     ?^    <-- bitwise, boolean
&&     ||     ^^     !     <-- logical, high precedence
and    or     xor    not   <-- logical, low precedence
[download]

The difference between logical and bitwise boolean is that logical AND and OR return an operand, while bitwise AND and OR return boolean values (the original values are lost).
?^/^^, and ?^/! are practically the same.
^^ was missing in Perl 5.
+^, ~^, ?^ are both XOR and NOT, depending on whether they are used infix (in between) or prefix (in front).

Juerd # { site => 'juerd.nl', plp_site => 'plp.juerd.nl', do_not_use => 'spamtrap' }

In reply to Re^2: True or False? A Quick Reference Guide by Juerd
in thread True or False? A Quick Reference Guide by bobf

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