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kotlinlang

Hello, I'm very new to Kotlin and was wondering if it was possible to make a variable to only fit its string value on a restricted interval. I want to make the user input an hour and if the value of int goes above 24 it displays "Number not valid".  Any inputs on this?

I believe you need to override set property
<https://kotlinlang.org/docs/properties.html#getters-and-setters>

You could also look into contracts if you want the compiler to force you to check that