42 lines
1.3 KiB
Rust
42 lines
1.3 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, Standard};
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#[cfg(feature = "term_size")]
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use textwrap::Wrapper;
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#[cfg(not(feature = "term_size"))]
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fn main() {
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println!("Please enable the term_size feature to run this example.");
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}
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#[cfg(feature = "term_size")]
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fn main() {
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#[cfg(not(feature = "hyphenation"))]
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fn new_wrapper<'a>() -> (&'static str, Wrapper<'a, textwrap::HyphenSplitter>) {
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("without hyphenation", Wrapper::with_termwidth())
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}
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#[cfg(feature = "hyphenation")]
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fn new_wrapper<'a>() -> (&'static str, Wrapper<'a, Standard>) {
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let dictionary = Standard::from_embedded(Language::EnglishUS).unwrap();
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(
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"with hyphenation",
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Wrapper::with_splitter(textwrap::termwidth(), dictionary),
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)
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}
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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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// Create a new Wrapper -- automatically set the width to the
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// current terminal width.
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let (msg, wrapper) = new_wrapper();
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println!("Formatted {} in {} columns:", msg, wrapper.width);
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println!("----");
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println!("{}", wrapper.fill(example));
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println!("----");
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}
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