判断channel的长度，大于零往外弹消息

liuxiaolong

2021-01-15 ba5b2623226f0dd6da5e2e7964a1523a11f3a8fb

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package bhomeclient
 
type MicroFunc func(req *Request) *Reply
 
 
type Transport interface {
    RequestTopic(string, Request, int) (*Reply,error)
}