From 312281c7cc19bf467207af93a13e9acdd9b34c60 Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Tue, 1 Mar 2016 23:07:22 +0100
Subject: fixes #3686

---
 tests/concepts/tmonoid.nim | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 tests/concepts/tmonoid.nim

(limited to 'tests')

diff --git a/tests/concepts/tmonoid.nim b/tests/concepts/tmonoid.nim
new file mode 100644
index 000000000..49b3239bd
--- /dev/null
+++ b/tests/concepts/tmonoid.nim
@@ -0,0 +1,13 @@
+discard """
+  output: '''true'''
+"""
+
+# bug #3686
+
+type Monoid = concept x, y
+  x + y is type(x)
+  type(z(type(x))) is type(x)
+
+proc z(x: typedesc[int]): int = 0
+
+echo(int is Monoid)
-- 
cgit 1.4.1-2-gfad0