Add Moose package

CPAN/Moose/Exception/AttributeIsRequired.pm

@@ -0,0 +1,45 @@
+package Moose::Exception::AttributeIsRequired;
+our $VERSION = '2.2207';
+
+use Moose;
+extends 'Moose::Exception';
+with 'Moose::Exception::Role::Class';
+
+has 'attribute_name' => (
+    is            => 'ro',
+    isa           => 'Str',
+    required      => 1,
+    documentation => "This attribute can be used for fetching attribute instance:\n".
+                     "    my \$class = Moose::Util::find_meta( \$exception->class_name );\n".
+                     "    my \$attribute = \$class->get_attribute( \$exception->attribute_name );\n",
+);
+
+has 'attribute_init_arg' => (
+    is  => 'ro',
+    isa => 'Str',
+);
+
+has 'params' => (
+    is        => 'ro',
+    isa       => 'HashRef',
+    predicate => 'has_params',
+);
+
+sub _build_message {
+    my $self = shift;
+
+    my $name = $self->attribute_name;
+    my $msg  = "Attribute ($name)";
+
+    my $init_arg = $self->attribute_init_arg;
+    if ( defined $init_arg && $name ne $init_arg ) {
+        $msg .= ", passed as ($init_arg),";
+    }
+
+    $msg .= ' is required';
+
+    return $msg;
+}
+
+__PACKAGE__->meta->make_immutable;
+1;