Function cachedTypeFields

internal/encoding/json/encode.go:1392–1398

map[reflect.Type]structFields cachedTypeFields is like typeFields but uses a cache to avoid repeated work.

(t reflect.Type)

// cachedTypeFields is like typeFields but uses a cache to avoid repeated work.
func cachedTypeFields(t reflect.Type) structFields {
	if f, ok := fieldCache.Load(t); ok {
		return f.(structFields)
	}
	f, _ := fieldCache.LoadOrStore(t, typeFields(t))
	return f.(structFields)
}

func mayAppendQuote(b []byte, quoted bool) []byte {
	if quoted {