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To use this method, first create a `String` variable containing the text you want to convert to uppercase. Then, call the `to_uppercase()` method on that variable. This will return a new `String` with all the characters converted to uppercase.
Here’s an example:
let my_string = String::from("hello, world!");
let uppercase_string = my_string.to_uppercase();
This will output “HELLO, WORLD!” to the console.
In summary, Rust’s `to_uppercase()` method provides a way to convert strings to uppercase letters based on the current locale. By using this method, you can easily manipulate strings in your Rust programs.