diff options
Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perlop.pod | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/pod/perlop.pod b/pod/perlop.pod index 8af2d5b93b..9bce6c26cc 100644 --- a/pod/perlop.pod +++ b/pod/perlop.pod @@ -336,17 +336,27 @@ by the current locale if C<use locale> is in effect. See L<perllocale>. =head2 Bitwise And -Binary "&" returns its operators ANDed together bit by bit. +Binary "&" returns its operands ANDed together bit by bit. (See also L<Integer Arithmetic> and L<Bitwise String Operators>.) +Note that "&" has lower priority than relational operators, so for example +the brackets are essential in a test like + + print "Even\n" if ($x & 1) == 0; + =head2 Bitwise Or and Exclusive Or -Binary "|" returns its operators ORed together bit by bit. +Binary "|" returns its operands ORed together bit by bit. (See also L<Integer Arithmetic> and L<Bitwise String Operators>.) -Binary "^" returns its operators XORed together bit by bit. +Binary "^" returns its operands XORed together bit by bit. (See also L<Integer Arithmetic> and L<Bitwise String Operators>.) +Note that "|" and "^" have lower priority than relational operators, so +for example the brackets are essential in a test like + + print "false\n" if (8 | 2) != 10; + =head2 C-style Logical And Binary "&&" performs a short-circuit logical AND operation. That is, |