From 9b9daea70ef6883b6fcdc0bfc69d5f429546f4d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johannes=20M=C3=BCller?= <straightshoota@gmail.com>
Date: Tue, 6 Mar 2018 19:47:43 +0000
Subject: [PATCH] Fix `spawn` macro for call with receiver

---
 spec/std/concurrent_spec.cr | 4 ++++
 src/concurrent.cr           | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/spec/std/concurrent_spec.cr b/spec/std/concurrent_spec.cr
index 5623c3117e02..1fd0a67c1799 100644
--- a/spec/std/concurrent_spec.cr
+++ b/spec/std/concurrent_spec.cr
@@ -41,4 +41,8 @@ describe "concurrent" do
     spawn method_named("foo"), name: "foo"
     Fiber.yield
   end
+
+  it "accepts method call with receiver" do
+    typeof(spawn String.new)
+  end
 end
diff --git a/src/concurrent.cr b/src/concurrent.cr
index fb52a3a46335..20680ccefb29 100644
--- a/src/concurrent.cr
+++ b/src/concurrent.cr
@@ -105,7 +105,7 @@ macro spawn(call, *, name = nil)
       {% end %}
       ) {
       spawn(name: {{name}}) do
-        {{call.name}}(
+        {% if call.receiver %}{{ call.receiver }}.{% end %}{{call.name}}(
           {% for arg, i in call.args %}
             __arg{{i}},
           {% end %}