Function TestOperator_Polymorphic

test/operator/operator_test.go:190–218

(t *testing.T)

}

func TestOperator_Polymorphic(t *testing.T) {
	env := struct {
		Add func(a, b int) int
		Foo Value
		Bar Value
	}{
		Add: func(a, b int) int {
			return a + b
		},
		Foo: Value{1},
		Bar: Value{2},
	}

	program, err := expr.Compile(
		`1 + 2 + (Foo + Bar)`,
		expr.Env(env),
		expr.Operator("+", "Add", "AddValues"),
		expr.Function("AddValues", func(args ...interface{}) (interface{}, error) {
			return args[0].(Value).Int + args[1].(Value).Int, nil
		},
			new(func(_ Value, __ Value) int),
		),
	)
	require.NoError(t, err)

	output, err := expr.Run(program, env)
	require.NoError(t, err)
	require.Equal(t, 6, output)
}

func TestOperator_recursive_apply(t *testing.T) {
	type Decimal struct {