Add bin and edit workflow

bin/gems/facets-3.1.0/test/core/method/test_composition.rb

@@ -0,0 +1,42 @@
+covers 'facets/method/composition'
+
+test_case Method do
+
+  c = Class.new do
+    def f(x); x * 3; end
+    def g(x); x + 1; end
+  end
+
+  method :* do
+
+    test do
+      x = c.new
+      f = x.method(:f) * x.method(:g)
+      f.call(1).assert == 6
+    end
+
+    test do
+      x = c.new
+      f = x.method(:g) * x.method(:f)
+      f.call(1).assert == 4
+    end
+
+  end
+
+  method :^ do
+
+    test do
+      x = c.new
+      f = x.method(:f) ^ 3
+      f.call(1).assert == 27
+    end
+
+    test do
+      x = c.new
+      f = x.method(:g) ^ 3
+      f.call(1).assert == 4
+    end
+
+  end
+
+end