refactor: extract code position

pkg/domain/code_file.go

 package domain
 
-type CodePosition struct {
-	StartLine         int
-	StartLinePosition int
-	StopLine          int
-	StopLinePosition  int
-}
-
 type CodeFile struct {
 	FullName    string
 	PackageName string

pkg/domain/code_position.go

+package domain
+
+type CodePosition struct {
+	StartLine         int
+	StartLinePosition int
+	StopLine          int
+	StopLinePosition  int
+}
+

trial/cocago/parser_test.go

@@ -11,5 +11,5 @@ func Test_ParserLog(t *testing.T) {
 
 	abs, _ := filepath.Abs("../../pkg/domain/code_file.go")
 	results := ProcessFile(abs)
-	g.Expect(len(results.Members)).To(Equal(2))
+	g.Expect(len(results.Members)).To(Equal(1))
 }