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| -rw-r--r-- | pod/perlop.pod | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/pod/perlop.pod b/pod/perlop.pod index 9e83c52f82..c0cbe50514 100644 --- a/pod/perlop.pod +++ b/pod/perlop.pod @@ -872,8 +872,8 @@ In list context, it's just the list argument separator, and inserts both its arguments into the list. These arguments are also evaluated from left to right. -The C<< => >> operator is a synonym for the comma except that it causes -its left operand to be interpreted as a string if it begins with a letter +The C<< => >> operator is a synonym for the comma except that it causes a +word on its left to be interpreted as a string if it begins with a letter or underscore and is composed only of letters, digits and underscores. This includes operands that might otherwise be interpreted as operators, constants, single number v-strings or function calls. If in doubt about @@ -902,6 +902,15 @@ between keys and values in hashes, and other paired elements in lists. %hash = ( $key => $value ); login( $username => $password ); +The special quoting behavior ignores precedence, and hence may apply to +I<part> of the left operand: + + print time.shift => "bbb"; + +That example prints something like "1314363215shiftbbb", because the +C<< => >> implicitly quotes the C<shift> immediately on its left, ignoring +the fact that C<time.shift> is the entire left operand. + =head2 List Operators (Rightward) X<operator, list, rightward> X<list operator> |