单进程
var concurrenceContainerWarning sync.Map
// Load returns the value stored in the map for a key, or nil if no
// value is present.
// The ok result indicates whether value was found in the map.
func (m *Map) Load(key any) (value any, ok bool) {
// Store sets the value for a key.
func (m *Map) Store(key, value any) {
// Delete deletes the value for a key.
func (m *Map) Delete(key any) {
多进程