1 package DX::ActionBuilder::Null;
5 with 'DX::Role::ActionBuilder';
7 has target_path => (is => 'ro', isa => ValuePath);
9 sub can_set_value { 0 }
11 sub aperture_for_set_value { [] }
13 sub action_for_set_value { undef }
15 sub can_add_member { 0 }
17 sub aperture_for_add_member { [] }
19 sub action_for_add_member { undef }
21 sub aperure_for_set_member { [] }
23 sub action_for_set_member { undef }
25 sub aperture_for_remove_member { [] }
27 sub action_for_remove_member { undef }
29 sub specialize_for_member {
31 return $self unless ref($self);
32 return $self unless my $path = $self->target_path;
34 target_path => [ @{$self->target_path}, $at ]
39 my ($self, $value) = @_;
40 my $new_value = $value->but_set_action_builder($self);
41 return $new_value unless $new_value->isa('DX::Value::Dict');
42 my %m = %{$new_value->members};
43 return $new_value->but(
45 map +($_ => $self->specialize_for_member($_)->apply_to_value($m{$_})),