Lib.rs

示例

• std::io::Read:

use std::io::{BufRead, BufReader, Result};
use countio::Counter;

fn main() -> Result<()> {
    let reader = "Hello World!".as_bytes();
    let reader = BufReader::new(reader);
    let mut reader = Counter::new(reader);

    let mut buf = String::new();
    let len = reader.read_line(&mut buf)?;

    assert_eq!(len, reader.reader_bytes());
    Ok(())
}

• std::io::Write:

use std::io::{BufWriter, Write, Result};
use countio::Counter;

fn main() -> Result<()> {
    let writer = Vec::new();
    let writer = BufWriter::new(writer);
    let mut writer = Counter::new(writer);

    let buf = "Hello World!".as_bytes();
    let len = writer.write(buf)?;
    writer.flush()?;

    assert_eq!(len, writer.writer_bytes());
    Ok(())
}

其他crate

• SOF3/count-write