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author | Father Chrysostomos <sprout@cpan.org> | 2015-01-19 20:33:01 -0800 |
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committer | Father Chrysostomos <sprout@cpan.org> | 2015-01-19 20:34:13 -0800 |
commit | 997340692b82e720b661394ed6fca1989b1abc2d (patch) | |
tree | 7c116e013e9068f6df896444236131546419edc4 /ext | |
parent | 4a873d7a0f3c3698425007a136dda05b0adef997 (diff) | |
download | perl-997340692b82e720b661394ed6fca1989b1abc2d.tar.gz |
Document :const
Diffstat (limited to 'ext')
-rw-r--r-- | ext/attributes/attributes.pm | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ext/attributes/attributes.pm b/ext/attributes/attributes.pm index bac3d7be99..062cd77ce0 100644 --- a/ext/attributes/attributes.pm +++ b/ext/attributes/attributes.pm @@ -260,6 +260,13 @@ attribute will be sanity checked at compile time. The "locked" attribute is deprecated, and has no effect in 5.10.0 and later. It was used as part of the now-removed "Perl 5.005 threads". +=item const + +This experimental attribute, introduced in Perl 5.22, only applies to +anonymous subroutines. It causes the subroutine to be called as soon as +the C<sub> expression is evaluated. The return value is captured and +turned into a constant subroutine. + =back The following are the built-in attributes for variables: |