Shulou(Shulou.com)06/02 Report--

Reference article: www.jianshu.com/p/0de79845eaa4

Try[A] is also a container. Option[A] is also a container

Try[A] represents a calculation,

If successful, return the value of A.

If something goes wrong, throw an exception Throwable.

Try has two subtypes:

Success[A] means that the calculation is successful.

Failure[A] means that the calculation fails and an exception is thrown.

Examples are as follows:

Try this keyword, in the marathon source code, has not been found yet

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