5,576
edits
Changes
Jump to navigation
Jump to search
Line 422:
Line 422: − + Line 430:
Line 430: − + − +
→"BROKEN_ARG"
The "BROKEN" function could also use the "BROKEN_ARG" as a reference to store an error message or some other information that it wants to communicate back to the caller. For example:
The "BROKEN" function could also use the "BROKEN_ARG" as a reference to store an error message or some other information that it wants to communicate back to the caller. For example:
$error = ’’;
$error = ’’;
sub my_broken {
sub my_broken {
my %args = @_;
my %args = @_;
return undef;
return undef;
}
}
$template->fill_in(BROKEN => \&my_broken,
$template->fill_in(BROKEN => \&my_broken,
BROKEN_ARG => \$error,
BROKEN_ARG => \$error,
);
);
if ($error) {
if ($error) {
die "It didn’t work: $error";
die "It didn’t work: $error";