Use of Assert

It's not always clear when to use assert and when to use if. Now record it.

Assert is used to check the legality of a parameter and an expected result, etc., assert only in debug mode. Assert is programmer-oriented, not user-oriented, it is mainly convenient for programmers to check and quickly locate the program's logic errors (the programmer's own problems), if you encounter errors while debugging the program will immediately terminate the program and prompt the wrong location. It can be said that assert is only a tool provided to the programmer and cannot be counted as part of the program logic.

If else is part of the program logic that indicates what logic should be executed when a situation arises. For example, when a user enters a parameter that is not in scope, you can go to the logic that prompts the user for re-entry.

Use of Assert