// Copyright 2022 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package a type MarshalOptions struct { *typedArshalers[MarshalOptions] } func Marshal(in interface{}) (out []byte, err error) { return MarshalOptions{}.Marshal(in) } func (mo MarshalOptions) Marshal(in interface{}) (out []byte, err error) { err = mo.MarshalNext(in) return nil, err } func (mo MarshalOptions) MarshalNext(in interface{}) error { a := new(arshaler) a.marshal = func(MarshalOptions) error { return nil } return a.marshal(mo) } type arshaler struct { marshal func(MarshalOptions) error } type typedArshalers[Options any] struct { m M } func (a *typedArshalers[Options]) lookup(fnc func(Options) error) (func(Options) error, bool) { a.m.Load(nil) return fnc, false } type M struct {} func (m *M) Load(key any) (value any, ok bool) { return }