gotypes: doc exported symbols (#9)

gotypes/examples_test.go

@@ -0,0 +1,16 @@
+package gotypes_test
+
+import (
+	"fmt"
+
+	"github.com/mmcloughlin/avo/gotypes"
+)
+
+func ExampleParseSignature() {
+	s, err := gotypes.ParseSignature("func(s string, n int) string")
+	fmt.Println(s)
+	fmt.Println(err)
+	// Output:
+	// (s string, n int) string
+	// <nil>
+}