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Rust program to demonstrate the Match Statement with Enum (Enum Example)

Rust | Enum Example: Write a program to demonstrate the Match Statement with Enum.
Last Updated : October 28, 2021

Problem Statement

In this program, we will create an enum Color. Then we will use enum constants with the Match statement.

Program/Source Code

The source code to demonstrate the Match Statement with Enum is given below. The given program is compiled and executed successfully.

// Rust program to demonstrate the 
// Match Statement with Enum

#[derive(Debug)]

enum Color {
   RED,GREEN,YELLOW
}

fn Fun(color:Color) {
   match color {
      Color::RED => {
         println!("Color is RED");
      },
      Color::GREEN => {
         println!("Color is GREEN");
      },
      Color::YELLOW =>{
         println!("Color is YELLOW");
      }
   }
}

fn main() {
   Fun(Color::RED);
   Fun(Color::GREEN);
   Fun(Color::YELLOW);
}

Output

Color is RED
Color is GREEN
Color is YELLOW

Explanation

In the above program, we created an enum Color and functions Fun(), main(). The enum Color contains constants RED, GREEN, and YELLOW.

The Fun() function accepts the enum as a parameter and here we used enum with match statement. In the main() function, we called the Fun() function and printed the appropriate message.

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