textwrap 0.11.0

Textwrap is a small library for word wrapping, indenting, and dedenting strings. You can use it to format strings (such as help and error messages) for display in commandline applications. It is designed to be efficient and handle Unicode characters correctly.
Documentation 
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#[cfg(feature = "hyphenation")]
extern crate hyphenation;
extern crate textwrap;

#[cfg(feature = "hyphenation")]
use hyphenation::{Language, Load, Standard};
#[cfg(feature = "term_size")]
use textwrap::Wrapper;

#[cfg(not(feature = "term_size"))]
fn main() {
    println!("Please enable the term_size feature to run this example.");
}

#[cfg(feature = "term_size")]
fn main() {
    #[cfg(not(feature = "hyphenation"))]
    fn new_wrapper<'a>() -> (&'static str, Wrapper<'a, textwrap::HyphenSplitter>) {
        ("without hyphenation", Wrapper::with_termwidth())
    }

    #[cfg(feature = "hyphenation")]
    fn new_wrapper<'a>() -> (&'static str, Wrapper<'a, Standard>) {
        let dictionary = Standard::from_embedded(Language::EnglishUS).unwrap();
        (
            "with hyphenation",
            Wrapper::with_splitter(textwrap::termwidth(), dictionary),
        )
    }

    let example = "Memory safety without garbage collection. \
                   Concurrency without data races. \
                   Zero-cost abstractions.";
    // Create a new Wrapper -- automatically set the width to the
    // current terminal width.
    let (msg, wrapper) = new_wrapper();
    println!("Formatted {} in {} columns:", msg, wrapper.width);
    println!("----");
    println!("{}", wrapper.fill(example));
    println!("----");
}