Return the number of bytes written from itoa::write (fixes #6) #7
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dtolnay
reviewed
Jan 28, 2017
| itoa::write(&mut buf, $value).unwrap(); | ||
| assert_eq!(buf, $expected.as_bytes()); | ||
| let mut buf = [b'\0'; 20]; | ||
| let len = itoa::write(&mut &mut buf[..], $value).unwrap(); |
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Let's fix the &mut &mut thing by accepting W instead of &mut W.
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