【F＃用户定义的异常】在F＃中, 你可以创建用户定义的异常。它提供了根据需求定义自定义异常的灵活性。让我们来看一个例子。
exception InvalidAgeException of stringlet validate x = if (x <
18) then raise (InvalidAgeException "Sorry, Age must be greater than 18") let TestUserDefinedException =try validate 15with | InvalidAgeException(e) ->
printfn "%s" eprintfn "Rest of the code"TestUserDefinedException输出：
Sorry, Age must be greater than 18Rest of the code
