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| author | Father Chrysostomos <sprout@cpan.org> | 2011-08-15 09:20:08 -0700 |
|---|---|---|
| committer | Father Chrysostomos <sprout@cpan.org> | 2011-08-15 12:47:33 -0700 |
| commit | 3a8944db48a72ff3e936211f8b0433b10f3c6c80 (patch) | |
| tree | 919125170fd024751e0c8576f6ed3c04505bc2ee /pod/perlsub.pod | |
| parent | f2f8fd84e14dfcfc614b0ccf9b24475ca5f173d4 (diff) | |
| download | perl-3a8944db48a72ff3e936211f8b0433b10f3c6c80.tar.gz | |
Document and test $; prototype syntax
This has worked this way for yonks. It is actually useful, so it might
as well be documented.
Diffstat (limited to 'pod/perlsub.pod')
| -rw-r--r-- | pod/perlsub.pod | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/pod/perlsub.pod b/pod/perlsub.pod index d344c4745c..e2a9bcfaf5 100644 --- a/pod/perlsub.pod +++ b/pod/perlsub.pod @@ -1149,7 +1149,11 @@ arguments, just like C<time()>. That is, if you say mytime +2; you'll get C<mytime() + 2>, not C<mytime(2)>, which is how it would be parsed -without a prototype. +without a prototype. If you want to force a unary function to have the +same precedence as a list operator, add C<;> to the end of the prototype: + + sub mygetprotobynumber($;); + mygetprotobynumber $a > $b; # parsed as mygetprotobynumber($a > $b) The interesting thing about C<&> is that you can generate new syntax with it, provided it's in the initial position: |