当我有这样的 API 定义时:

When I have a definition of an API like this:

(POST* "/register" []
    :body-params [username :- String,
                  password :- String,
                  name :- String]
    (ok)))

使名称可选的适当方法是什么?是吗:

what's the appropriate way of making name optional? Is it:

(POST* "/register" []
    :body-params [username :- String,
                  password :- String,
                  {name :- String nil}]
    (ok)))

推荐答案

你知道它使用 letk 管道符号，据我记得语法是正确的，但默认值应该与预期的类型，所以我会说它应该是 "" 而不是 nil 作为 (string? nil) => false

(POST* "/register" []
    :body-params [username :- String,
                  password :- String,
                  {name :- String ""}]
    (ok)))