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author | Gurusamy Sarathy <gsar@cpan.org> | 1999-05-24 17:32:20 +0000 |
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committer | Gurusamy Sarathy <gsar@cpan.org> | 1999-05-24 17:32:20 +0000 |
commit | 14218588221b08417dacfb8f157681c6b381b73f (patch) | |
tree | 56817d24552ce5a29fc77965ab137d11b73fc29a /pod/perlmod.pod | |
parent | 9263d47b7ba3c92b743ac884edfaa80847325f4d (diff) | |
download | perl-14218588221b08417dacfb8f157681c6b381b73f.tar.gz |
more pod updates from Tom Christiansen; regen perltoc
p4raw-id: //depot/perl@3462
Diffstat (limited to 'pod/perlmod.pod')
-rw-r--r-- | pod/perlmod.pod | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/pod/perlmod.pod b/pod/perlmod.pod index 53426d3203..0031d6e0e6 100644 --- a/pod/perlmod.pod +++ b/pod/perlmod.pod @@ -212,7 +212,7 @@ This also has implications for the use of the SUPER:: qualifier =head2 Package Constructors and Destructors -There are two special subroutine definitions that function as package +Three special subroutines act as package constructors and destructors. These are the C<BEGIN>, C<INIT>, and C<END> routines. The C<sub> is optional for these routines. @@ -225,6 +225,11 @@ files in time to be visible to the rest of the file. Once a C<BEGIN> has run, it is immediately undefined and any code it used is returned to Perl's memory pool. This means you can't ever explicitly call a C<BEGIN>. +Similar to C<BEGIN> blocks, C<INIT> blocks are run just before the +Perl runtime begins execution. For example, the code generators +documented in L<perlcc> make use of C<INIT> blocks to initialize +and resolve pointers to XSUBs. + An C<END> subroutine is executed as late as possible, that is, when the interpreter is being exited, even if it is exiting as a result of a die() function. (But not if it's polymorphing into another program @@ -244,11 +249,6 @@ implemented (and subject to change, since its inconvenient at best), both C<BEGIN> and<END> blocks are run when you use the B<-c> switch for a compile-only syntax check, although your main code is not. -Similar to C<BEGIN> blocks, C<INIT> blocks are run just before the -Perl runtime begins execution. For example, the code generators -documented in L<perlcc> make use of C<INIT> blocks to initialize -and resolve pointers to XSUBs. - =head2 Perl Classes There is no special class syntax in Perl, but a package may act |