diff --git a/args.go b/args.go
new file mode 100644
index 0000000..3ad0bb8
--- /dev/null
+++ b/args.go
@@ -0,0 +1,53 @@
+package parser
+
+func GetOptArg(opts []interface{}, defaultValue ...interface{}) interface{} {
+	var o interface{} = nil
+	if len(defaultValue) > 0 {
+		o = defaultValue[0]
+	}
+
+	if len(opts) > 0 {
+		o = opts[0]
+	}
+
+	return o
+}
+
+func GetOptIntArg(opts []int, defaultValue ...int) int {
+	var o = 0
+	if len(defaultValue) > 0 {
+		o = defaultValue[0]
+	}
+
+	if len(opts) > 0 {
+		o = opts[0]
+	}
+
+	return o
+}
+
+func GetOptBoolArg(opts []bool, defaultValue ...bool) bool {
+	var o = false
+	if len(defaultValue) > 0 {
+		o = defaultValue[0]
+	}
+
+	if len(opts) > 0 {
+		o = opts[0]
+	}
+
+	return o
+}
+
+func GetOptStringArg(opts []string, defaultValue ...string) string {
+	var o = ""
+	if len(defaultValue) > 0 {
+		o = defaultValue[0]
+	}
+
+	if len(opts) > 0 {
+		o = opts[0]
+	}
+
+	return o
+}