Rust: Using if in a let Statement for Concise Conditional Assignments

In Rust, you can use the if expression in a let statement to conditionally assign values to a variable. This is useful when you need to make a decision based on a condition and store the result in a variable. Using if in a let statement allows you to create more concise and readable code.

In this code example, we define a variable number and assign it the value 7. Then, we use an if expression in a let statement to determine whether the number is even or odd. If the number is even (number % 2 == 0), the variable message is assigned the value "Even number". Otherwise, message is assigned the value "Odd number". Finally, the program prints the result to the console.