diff options
| author | Brian Fraser <fraserbn@gmail.com> | 2012-01-31 23:40:39 -0300 |
|---|---|---|
| committer | Father Chrysostomos <sprout@cpan.org> | 2012-06-27 08:46:33 -0700 |
| commit | 0480bf32a69f9d774283a89f33bff387adea72e9 (patch) | |
| tree | 0ea7c681ac10eca7dc4a9dcada798412442f6101 /pod | |
| parent | 69a6e56c00ba36ef95335113b7de311b51e24870 (diff) | |
| download | perl-0480bf32a69f9d774283a89f33bff387adea72e9.tar.gz | |
perlref: #109408
Diffstat (limited to 'pod')
| -rw-r--r-- | pod/perlref.pod | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/pod/perlref.pod b/pod/perlref.pod index 0fab80969a..5f9ce0a06a 100644 --- a/pod/perlref.pod +++ b/pod/perlref.pod @@ -543,7 +543,7 @@ People frequently expect it to work like this. So it does. ${$name x 2} = 3; # Sets $foofoo $name->[0] = 4; # Sets $foo[0] @$name = (); # Clears @foo - &$name(); # Calls &foo() (as in Perl 4) + &$name(); # Calls &foo() $pack = "THAT"; ${"${pack}::$name"} = 5; # Sets $THAT::foo without eval @@ -575,7 +575,7 @@ variables, which are all "global" to the package. =head2 Not-so-symbolic references -Since Perl verion 5.001, brackets around a symbolic reference can simply +Brackets around a symbolic reference can simply serve to isolate an identifier or variable name from the rest of an expression, just as they always have within a string. For example, @@ -583,7 +583,7 @@ expression, just as they always have within a string. For example, print "${push}over"; has always meant to print "pop on over", even though push is -a reserved word. In 5.001, this was generalized to work the same +a reserved word. This is generalized to work the same without the enclosing double quotes, so that print ${push} . "over"; @@ -592,8 +592,7 @@ and even print ${ push } . "over"; -will have the same effect. (This would have been a syntax error in -Perl 5.000, though Perl 4 allowed it in the spaceless form.) This +will have the same effect. This construct is I<not> considered to be a symbolic reference when you're using strict refs: |