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-rw-r--r--textwrap/examples/layout.rs38
1 files changed, 38 insertions, 0 deletions
diff --git a/textwrap/examples/layout.rs b/textwrap/examples/layout.rs
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+++ b/textwrap/examples/layout.rs
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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;
+ }
+ }
+}