diff options
Diffstat (limited to 'sv.h')
| -rw-r--r-- | sv.h | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -1923,11 +1923,14 @@ incremented. =head1 Magical Functions =for apidoc Am|void|SvGETMAGIC|SV* sv -Invokes C<mg_get> on an SV if it has 'get' magic. This macro evaluates its +Invokes C<mg_get> on an SV if it has 'get' magic. For example, this +will call C<FETCH> on a tied variable. This macro evaluates its argument more than once. =for apidoc Am|void|SvSETMAGIC|SV* sv -Invokes C<mg_set> on an SV if it has 'set' magic. This macro evaluates its +Invokes C<mg_set> on an SV if it has 'set' magic. This is necessary +after modifying a scalar, in case it is a magical variable like C<$|> +or a tied variable (it calls C<STORE>). This macro evaluates its argument more than once. =for apidoc Am|void|SvSetSV|SV* dsb|SV* ssv |