Method encodeMap

json/encode.go:308–343

(b []byte, p unsafe.Pointer, t reflect.Type, encodeKey, encodeValue encodeFunc, sortKeys sortFunc)

}

func (e encoder) encodeMap(b []byte, p unsafe.Pointer, t reflect.Type, encodeKey, encodeValue encodeFunc, sortKeys sortFunc) ([]byte, error) {
	m := reflect.NewAt(t, p).Elem()
	if m.IsNil() {
		return append(b, "null"...), nil
	}

	keys := m.MapKeys()
	if sortKeys != nil && (e.flags&SortMapKeys) != 0 {
		sortKeys(keys)
	}

	start := len(b)
	var err error
	b = append(b, '{')

	for i, k := range keys {
		v := m.MapIndex(k)

		if i != 0 {
			b = append(b, ',')
		}

		if b, err = encodeKey(e, b, (*iface)(unsafe.Pointer(&k)).ptr); err != nil {
			return b[:start], err
		}

		b = append(b, ':')

		if b, err = encodeValue(e, b, (*iface)(unsafe.Pointer(&v)).ptr); err != nil {
			return b[:start], err
		}
	}

	b = append(b, '}')
	return b, nil
}

type element struct {
	key string