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Diffstat (limited to 'pod/perlsub.pod')
| -rw-r--r-- | pod/perlsub.pod | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/pod/perlsub.pod b/pod/perlsub.pod index 2553d147bb..54f782cc61 100644 --- a/pod/perlsub.pod +++ b/pod/perlsub.pod @@ -765,6 +765,8 @@ all the subroutines are called in a list context. Lvalue subroutines are convenient, but there are some things to keep in mind. +You can only return scalar lvalues. + When used with objects, they violate encapsulation. A normal mutator can check the supplied argument before setting the attribute it is protecting, an lvalue subroutine cannot. |