Using enum as a variable (?) [duplicate]

Question

I have a problem about some simple code in console. Precisely I created a public enum called Year which contains 4 seasons (obvious). I want the program to ask at the beginning what is the season of the year and then generate an answer to each option. The problem is I don't know how to convert my string input to each option of this enum. Maybe it will be more clear if i show you the code (it's short).

 Console.WriteLine("What time of year is it?"); var input = Console.ReadLine(); //earlier it was just //time = Year.Winter; switch (time) { case Year.Autumn: Console.WriteLine("You're gonna have to grab the leaves"); break; case Year.Summer: Console.WriteLine("Let's go to the beach"); break; case Year.Winter: Console.WriteLine("Better to warm up at home"); break; case Year.Spring: Console.WriteLine("Best time of the year!"); break; default: Console.WriteLine("I don't know this time of year"); break; }

I want to make something like this but dunno what to put inside this switch statement because I can't just put there my string 'input'. Is it possible in the way I am thinking of it?

Yennefer · Accepted Answer · 2020-02-08 10:50:08Z

You can parse a try to parse a string into an Enum by using one of the Enum class.

In particular, you can use the typed method TryParse in this eay

var ignoreCase = true; // decide this if (Enum.TryParse<MyEnum>("my string", ignoreCase, out var r)) // use r else Console.WriteLine("Please enter the correct value.");

Aitezaz Bilal · Accepted Answer · 2020-02-08 10:59:25Z

You can use string contain() function before the switch statment like below i haven't tested if it works like this (nested) if not you have to use if and else if condition

time = input.Trim().Contains("winter") ? Year.Winter: (input.Trim().Contains("summer") ?Year.Summer :(input.Trim().Contains("autumn") ?Year.Autumn:i(nput.Trim().Contains("autumn") ?Year.Autumn: null)));

The other thing you can do is give user option like 1 Year.Autumn,2 Year.Summer,3 Year.Winter,4 Year.Spring and get a number on which you can use the switch statment

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