Function ExampleWarnOnAny

expr_test.go:367–376

()

}

func ExampleWarnOnAny() {
	// Arrays always have []any type. The expression return type is any.
	// AsInt() instructs compiler to expect int or any, and cast to int,
	// if possible. WarnOnAny() instructs to return an error on any type.
	_, err := expr.Compile(`[42, true, "yes"][0]`, expr.AsInt(), expr.WarnOnAny())

	fmt.Printf("%v", err)

	// Output: expected int, but got interface {}
}

func ExampleOperator() {
	code := `