Method encodeMapStringInterface

json/encode.go:363–439

(b []byte, p unsafe.Pointer)

}

func (e encoder) encodeMapStringInterface(b []byte, p unsafe.Pointer) ([]byte, error) {
	m := *(*map[string]any)(p)
	if m == nil {
		return append(b, "null"...), nil
	}

	if (e.flags & SortMapKeys) == 0 {
		// Optimized code path when the program does not need the map keys to be
		// sorted.
		b = append(b, '{')

		if len(m) != 0 {
			var err error
			i := 0

			for k, v := range m {
				if i != 0 {
					b = append(b, ',')
				}

				b, _ = e.encodeString(b, unsafe.Pointer(&k))
				b = append(b, ':')

				b, err = Append(b, v, e.flags)
				if err != nil {
					return b, err
				}

				i++
			}
		}

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

	s := mapslicePool.Get().(*mapslice)
	if cap(s.elements) < len(m) {
		s.elements = make([]element, 0, align(10, uintptr(len(m))))
	}
	for key, val := range m {
		s.elements = append(s.elements, element{key: key, val: val})
	}
	sort.Sort(s)

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

	for i, elem := range s.elements {
		if i != 0 {
			b = append(b, ',')
		}

		b, _ = e.encodeString(b, unsafe.Pointer(&elem.key))
		b = append(b, ':')

		b, err = Append(b, elem.val, e.flags)