String literal types in C#

String literal types in C#

In this tutorial, we’ll explore how we can guarantee the value of strings at compile time.

Introduction

In this post we’ll explore how we can guarantee the value of strings at compile time.

Contrary to Typescript, C## doesn’t have string literal types.

Consider this example where the parameters of the write method are of type string and string. The first parameter can only be of type string with the value of "log" or "info". Any other string value will be marked as an error by the TypeScript compiler.

c# string

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