Docs update Set#merge! to Set#concat. fixes #4211

Brian J. Cardiff · Brian J. Cardiff · commit 27e697d85d54 · 2017-03-29T13:15:25.000-03:00
diff --git a/src/set.cr b/src/set.cr
@@ -16,7 +16,7 @@
 # s1 == s2 # => true
 # s1 == s3 # => true
 # s1.add(2)
-# s1.merge!([6, 8])
+# s1.concat([6, 8])
 # s1.subset? s2 # => false
 # s2.subset? s1 # => true
 # ```
