『HELP』关于Lua coroutine.running,该如何处理

2012-12-15

『HELP』关于Lua coroutine.runningReturns the running coroutine plus a boolean, true when the running

『HELP』关于Lua coroutine.running
Returns the running coroutine plus a boolean, true when the running coroutine is the main one.
上面的话啥意思， plus a boolean 是啥意思？