This seems to work. Posting it in case someone else finds it helpful.
package MakeMethod;
use strict;
use base qw( Class::MethodMaker );
sub new_hash_init_required {
my ($class, @args) = @_;
my %methods;
foreach (@args) {
$methods{$_} = sub {
my $class = shift;
my $self = ref($class) ? $class : bless {}, $class;
my %args = (scalar @_ == 1 and ref($_[0]) eq 'HASH') ? %{
+$_[0]} : @_;
foreach (keys %args) {
if (my $setter = $class->can(" __CMM__ $_")) {
$setter->($self, $args{$_});
} else {
$self->$_($args{$_});
}
}
die "must specify required" unless $self->can("required");
my @req = $self->required;
foreach my $req (@req) {
die "$req does not exist" unless exists($self->{$req})
+;
}
$self;
};
}
$class->install_methods(%methods);
}
sub required {
my ($class, @req) = @_;
my %methods;
$methods{required} = sub { @req };
$class->get_set(@req);
$class->install_methods(%methods);
}
1;
While I had trouble grasping the C:MM docs, reading the source
made it much clearer. |