rustHow to format error string in Rust

Error strings in Rust can be formatted using the format! macro. This macro allows you to create a formatted string using the same syntax as println!.

Code example:

let error_message = format!("Error code {}: {}", error_code, error_description);

Output

Error code <error_code>: <error_description>

Explanation:

• format!: This is a macro that allows you to create a formatted string using the same syntax as println!.
• error_message: This is the variable that will store the formatted error string.
• error_code: This is the variable that stores the error code.
• error_description: This is the variable that stores the error description.

Helpful links:

• Rust Documentation - format!
• Rust by Example - format!

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