diff options
Diffstat (limited to 'vendor/bstr/examples/graphemes-std.rs')
-rw-r--r-- | vendor/bstr/examples/graphemes-std.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/vendor/bstr/examples/graphemes-std.rs b/vendor/bstr/examples/graphemes-std.rs new file mode 100644 index 0000000..647739d --- /dev/null +++ b/vendor/bstr/examples/graphemes-std.rs @@ -0,0 +1,25 @@ +use std::error::Error; +use std::io::{self, BufRead, Write}; + +use unicode_segmentation::UnicodeSegmentation; + +fn main() -> Result<(), Box<dyn Error>> { + let stdin = io::stdin(); + let mut stdin = stdin.lock(); + let mut stdout = io::BufWriter::new(io::stdout()); + + let mut line = String::new(); + while stdin.read_line(&mut line)? > 0 { + let end = line + .grapheme_indices(true) + .map(|(start, g)| start + g.len()) + .take(10) + .last() + .unwrap_or(line.len()); + stdout.write_all(line[..end].trim_end().as_bytes())?; + stdout.write_all(b"\n")?; + + line.clear(); + } + Ok(()) +} |