rustHow to throw error in Rust

Rust provides the panic! macro to throw an error. This macro will cause the program to immediately exit with a message.

Code example:

fn main() {
    panic!("This is an error message");
}

Output

thread 'main' panicked at 'This is an error message', src/main.rs:2:4

Explanation:

• panic! is a macro provided by Rust that will cause the program to immediately exit with a message.
• The message is provided as an argument to the macro.
• In the example above, the message is This is an error message.
• The output shows that the panic occurred on line 2 of the main.rs file.

Helpful links:

• Rust Documentation - panic!
• Rust Error Handling

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