From e66c0abcfb2b9b6e69ebc3b2c6a95c744d22b2c8 Mon Sep 17 00:00:00 2001
From: Michael Miller <icy.arctic.fox@gmail.com>
Date: Sat, 19 Jan 2019 14:17:28 -0700
Subject: [PATCH] Change `described_class` to a macro

---
 src/spectator/dsl/structure_dsl.cr | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/spectator/dsl/structure_dsl.cr b/src/spectator/dsl/structure_dsl.cr
index 17e1d21..8a69acf 100644
--- a/src/spectator/dsl/structure_dsl.cr
+++ b/src/spectator/dsl/structure_dsl.cr
@@ -258,12 +258,8 @@ module Spectator::DSL
         # Need to investigate, but would also increase minimum version.
         {% if what.is_a?(Path) || what.is_a?(Generic) %}
           # Returns the type currently being described.
-          def described_class
-            {{what}}.tap do |thing|
-              # Runtime check to ensure that `what` is a type.
-              raise "#{thing} must be a type name to use #described_class or #subject,\
-               but it is a #{typeof(thing)}" unless thing.is_a?(Class)
-            end
+          macro described_class
+            {{what}}
           end
 
           # Implicit subject definition.