my $key = $attribute->name;
my $default;
- if (!exists($args{$from})) {
+ if (defined($from) && exists($args{$from})) {
+ $attribute->verify_type_constraint($args{$from})
+ if $attribute->has_type_constraint;
+
+ $instance->{$key} = $args{$from};
+
+ weaken($instance->{$key})
+ if ref($instance->{$key}) && $attribute->is_weak_ref;
+
+ if ($attribute->has_trigger) {
+ $attribute->trigger->($instance, $args{$from}, $attribute);
+ }
+ }
+ else {
if ($attribute->has_default || $attribute->has_builder) {
unless ($attribute->is_lazy) {
my $default = $attribute->default;
}
}
}
-
- if (exists($args{$from})) {
- $attribute->verify_type_constraint($args{$from})
- if $attribute->has_type_constraint;
-
- $instance->{$key} = $args{$from};
-
- weaken($instance->{$key})
- if ref($instance->{$key}) && $attribute->is_weak_ref;
-
- if ($attribute->has_trigger) {
- $attribute->trigger->($instance, $args{$from}, $attribute);
- }
- }
}
$instance->BUILDALL(\%args);