我正在写一个解析器type Parser a = String -> Maybe (a ,String)
parseInt "" =parseChar a str | a == head str = Just (a, tail str)但我也需要改变typeParser a = String -> Maybe (a ,String)data Parse
使用SQL 2008CREATE TYPE dbo.ServiceType AS TABLE ([FROM_ZONE] varchar(30) NOT NULL,[SERVICE_TYPE] varchar(255) NOT NULL当我尝试使用它的时候我以为"CREATE TYPE ServiceType as TABLE“就是这样声明的?
我还在Types