From 0363c43dfff45cbe60a0dfe83218cae742459b0e Mon Sep 17 00:00:00 2001
From: Michael Miller <icy.arctic.fox@gmail.com>
Date: Sun, 31 Jan 2021 00:38:17 -0700
Subject: [PATCH] Fix described_class

Must be a macro, otherwise the return type becomes a union of all nested
described_class methods, which can cause weird errors.
---
 src/spectator/dsl/groups.cr | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/spectator/dsl/groups.cr b/src/spectator/dsl/groups.cr
index 3dc353b..001f4fb 100644
--- a/src/spectator/dsl/groups.cr
+++ b/src/spectator/dsl/groups.cr
@@ -86,17 +86,17 @@ module Spectator::DSL
               what.is_a?(TypeNode) ||
               what.is_a?(Union)) &&
               (described_type = what.resolve?).is_a?(TypeNode) %}
-        private def described_class
-          {{described_type}}
+        private macro described_class
+          {{what}}
         end
 
-        {% if described_type < Reference || described_type < Value %}
-          subject { described_class.new }
-        {% else %}
-          private def subject
+        subject do
+          {% if described_type.class? || described_type.struct? %}
+            described_class.new
+          {% else %}
             described_class
-          end
-        {% end %}
+          {% end %}
+        end
       {% else %}
         private def _spectator_implicit_subject
           {{what}}