String slices.| doc.rust-lang.org
The 8-bit unsigned integer type.| doc.rust-lang.org
A UTF-8–encoded, growable string.| doc.rust-lang.org
Unicode glossary| www.unicode.org
A type that can represent owned, mutable platform-native strings, but is cheaply inter-convertible with Rust strings.| doc.rust-lang.org
`Result` is a type that represents either success (`Ok`) or failure (`Err`).| doc.rust-lang.org