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authorJohn Tobey <jtobey@john-edwin-tobey.org>2001-02-04 15:40:47 -0500
committerNick Ing-Simmons <nik@tiuk.ti.com>2001-02-05 19:37:21 +0000
commit1fd1692502b045dcc304cd3af66d445dd84df577 (patch)
treec3205ca2bd3d07570d69e9653bf0facf9ae1fd5b /lib/overload.pm
parentf178911d699bc0c179d7f4df2fd860a4ed5be3ba (diff)
downloadperl-1fd1692502b045dcc304cd3af66d445dd84df577.tar.gz
[DOC PATCH] overload.pm nits
Message-Id: <m14Pae7-000FOoC@feynman.localnet> p4raw-id: //depot/perl@8697
Diffstat (limited to 'lib/overload.pm')
-rw-r--r--lib/overload.pm14
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/overload.pm b/lib/overload.pm
index 712c8eda57..21a4b671ff 100644
--- a/lib/overload.pm
+++ b/lib/overload.pm
@@ -974,7 +974,7 @@ would would lead to a memory leak.
Both these problems can be cured. Say, if we want to overload hash
dereference on a reference to an object which is I<implemented> as a
hash itself, the only problem one has to circumvent is how to access
-this I<actual> hash (as opposed to the I<virtual> exhibited by
+this I<actual> hash (as opposed to the I<virtual> hash exhibited by the
overloaded dereference operator). Here is one possible fetching routine:
sub access_hash {
@@ -986,7 +986,7 @@ overloaded dereference operator). Here is one possible fetching routine:
$out;
}
-To move creation of the tied hash on each access, one may an extra
+To remove creation of the tied hash on each access, one may an extra
level of indirection which allows a non-circular structure of references:
package two_refs1;
@@ -1023,10 +1023,10 @@ level of indirection which allows a non-circular structure of references:
$a->[$key];
}
-Now if $baz is overloaded like this, then C<$bar> is a reference to a
+Now if $baz is overloaded like this, then C<$baz> is a reference to a
reference to the intermediate array, which keeps a reference to an
actual array, and the access hash. The tie()ing object for the access
-hash is also a reference to a reference to the actual array, so
+hash is a reference to a reference to the actual array, so
=over
@@ -1113,7 +1113,7 @@ inside such a method it is not necessary to pretty-print the
I<components> $a and $b of an object. In the above subroutine
C<"[$meth $a $b]"> is a catenation of some strings and components $a
and $b. If these components use overloading, the catenation operator
-will look for an overloaded operator C<.>, if not present, it will
+will look for an overloaded operator C<.>; if not present, it will
look for an overloaded operator C<"">. Thus it is enough to use
use overload nomethod => \&wrap, '""' => \&str;
@@ -1216,7 +1216,7 @@ mutator methods (C<++>, C<-=> and so on), does not do deep copying
(not required without mutators!), and implements only those arithmetic
operations which are used in the example.
-To implement most arithmetic operations is easy, one should just use
+To implement most arithmetic operations is easy; one should just use
the tables of operations, and change the code which fills %subr to
my %subr = ( 'n' => sub {$_[0]} );
@@ -1238,7 +1238,7 @@ special to make C<+=> and friends work, except filling C<+=> entry of
way to know that the implementation of C<'+='> does not mutate
the argument, compare L<Copy Constructor>).
-To implement a copy constructor, add C<'=' => \&cpy> to C<use overload>
+To implement a copy constructor, add C<< '=' => \&cpy >> to C<use overload>
line, and code (this code assumes that mutators change things one level
deep only, so recursive copying is not needed):