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author | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2005-03-13 11:07:40 +0000 |
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committer | Rafael Garcia-Suarez <rgarciasuarez@gmail.com> | 2005-03-13 11:07:40 +0000 |
commit | 719b43e8a7892cfc854b9123fcad88c53828b0b9 (patch) | |
tree | 546e74c292fae1ff25581a9e37830e42276b01e8 /pod | |
parent | 22469a62e89c5b688296aee74b9b68348ff12194 (diff) | |
download | perl-719b43e8a7892cfc854b9123fcad88c53828b0b9.tar.gz |
Doc patches to clarify the stringification rules of {} and =>
by Jarkko (bug #34419)
p4raw-id: //depot/perl@24033
Diffstat (limited to 'pod')
-rw-r--r-- | pod/perldata.pod | 5 | ||||
-rw-r--r-- | pod/perlop.pod | 10 |
2 files changed, 10 insertions, 5 deletions
diff --git a/pod/perldata.pod b/pod/perldata.pod index 254304cad9..1b02b1e192 100644 --- a/pod/perldata.pod +++ b/pod/perldata.pod @@ -336,8 +336,9 @@ In fact, an identifier within such curlies is forced to be a string, as is any simple identifier within a hash subscript. Neither need quoting. Our earlier example, C<$days{'Feb'}> can be written as C<$days{Feb}> and the quotes will be assumed automatically. But -anything more complicated in the subscript will be interpreted as -an expression. +anything more complicated in the subscript will be interpreted as an +expression. This means for example that C<$version{2.0}++> is +equivalent to C<$version{2}++>, not to C<$version{'2.0'}++>. =head3 Version Strings diff --git a/pod/perlop.pod b/pod/perlop.pod index aa0e33905e..7c96ee05ac 100644 --- a/pod/perlop.pod +++ b/pod/perlop.pod @@ -688,9 +688,13 @@ In list context, it's just the list argument separator, and inserts both its arguments into the list. The C<< => >> operator is a synonym for the comma, but forces any word -to its left to be interpreted as a string (as of 5.001). It is helpful -in documenting the correspondence between keys and values in hashes, -and other paired elements in lists. +(consisting entirely of word characters) to its left to be interpreted +as a string (as of 5.001). If the argument on the left is not a word, +it is first interpreted as an expression, and then the string value of +that is used. + +The C<< => >> operator is helpful in documenting the correspondence +between keys and values in hashes, and other paired elements in lists. =head2 List Operators (Rightward) |