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