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#[cfg(feature = "hyphenation")]
extern crate hyphenation;
extern crate textwrap;
#[cfg(feature = "hyphenation")]
use hyphenation::{Language, Load};
use textwrap::Wrapper;
#[cfg(not(feature = "hyphenation"))]
fn new_wrapper<'a>() -> Wrapper<'a, textwrap::HyphenSplitter> {
Wrapper::new(0)
}
#[cfg(feature = "hyphenation")]
fn new_wrapper<'a>() -> Wrapper<'a, hyphenation::Standard> {
let dictionary = hyphenation::Standard::from_embedded(Language::EnglishUS).unwrap();
Wrapper::with_splitter(0, dictionary)
}
fn main() {
let example = "Memory safety without garbage collection. \
Concurrency without data races. \
Zero-cost abstractions.";
let mut prev_lines = vec![];
let mut wrapper = new_wrapper();
for width in 15..60 {
wrapper.width = width;
let lines = wrapper.wrap(example);
if lines != prev_lines {
let title = format!(" Width: {} ", width);
println!(".{:-^1$}.", title, width + 2);
for line in &lines {
println!("| {:1$} |", line, width);
}
prev_lines = lines;
}
}
}