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Diffstat (limited to 'textwrap/examples/layout.rs')
-rw-r--r-- | textwrap/examples/layout.rs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/textwrap/examples/layout.rs b/textwrap/examples/layout.rs new file mode 100644 index 0000000..d36cb3a --- /dev/null +++ b/textwrap/examples/layout.rs @@ -0,0 +1,38 @@ +#[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; + } + } +} |