- D:\XTRANS\m98_rtc\ndrtc-webrtc\src\base\task\task_executor.cc
std array实现的map:TaskExecutorMap
// Maps TaskTraits extension IDs to registered TaskExecutors. Index |n|
// corresponds to id |n - 1|.
using TaskExecutorMap =std::array<TaskExecutor*, TaskTraitsExtensionStorage::kMaxExtensionId>;}
- 元素类型是 个指针:<TaskExecutor*