Add bin and edit workflow

bin/gems/facets-3.1.0/test/core/struct/test_replace.rb

@@ -0,0 +1,18 @@
+covers 'facets/struct/replace'
+
+test_case Struct do
+  method :replace do
+    test do
+      s = Struct.new(:name, :age)
+
+      o = s.new('bob', 60)
+      o.name.assert == 'bob'
+      o.age.assert == 60
+
+      o.replace(:name=>'tom', :age=>40)
+
+      o.name.assert == 'tom'
+      o.age.assert == 40
+    end
+  end
+end