I would like to use a channel for managing the global shared variables (something like: map[string]MyStruct) into my serverApp (as I know it's more "go way" rather than use sync.Mutex). I found this question (Golang handlefunc with channel) with two possible solutions. But I know it's possible to pass the channel with context.WithValue in the middleware (for necessary routes) and get access to it from the handle function if I need it? Or are there any reasons why I shouldn't do it and better use the "extend method" (from the @sberry answer) instead?
I use Echo Framework in this example:
func bindChannel(CmdChan chan CmdOp) echo.MiddlewareFunc { return func(next echo.HandlerFunc) echo.HandlerFunc { return func(c echo.Context) error { c.Set("cmdChan", CmdChan) return next(c) } } } var CmdChan chan CmdOp type CmdOp struct { Type string Key string Val interface{} Resp chan interface{} } func HandleFuncExmpl(c echo.Context) error { cmdChan := c.Get("cmdChan").(chan CmdOp) } 
