to_uppercase()
is a method of the character data type in Rust. It converts a character to its uppercase version. Similar methods are also present in other programming languages.
character.to_uppercase()
character
: This is the character that we want to convert to uppercase.
The value returned is the uppercase version of character
.
fn main(){// create some characterslet char1 = 'r';let char2 = 'u';let char3 = 's';let char4 = 't';// convert characters to uppercaseprintln!("{}", char1.to_uppercase());println!("{}", char2.to_uppercase());println!("{}", char3.to_uppercase());println!("{}", char4.to_uppercase());}
to_uppercase()
method, we convert the characters to uppercase and print them to the console screen.