Lib.rs

This is the long-awaited Rust crate that solves the problem of uppercasing the first letter of a string in Rust.

Full disclosure: this solution was shamelessly lifted from the leading response over on StackOverflow by Shepmaster.

use ucfirst::ucfirst;

assert_eq!(ucfirst("apple"), "Apple");

See also the ccase CLI utility and convert_case library crates.