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futures-util/io examples #1108

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merged 2 commits into from
Jul 21, 2018

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Nemo157
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@Nemo157 Nemo157 commented Jul 21, 2018

Also fixes WriteAll, it was broken in the same way as ReadExact in #1083

/// let bytes = await!(reader.read(&mut output[..]))?;
///
/// // This is only guaranteed to be 4 because `&[u8]` is a synchronous
/// // reader, in a real system you could get anywhere from 1 to
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...reader. In a real system

There should be a period because it's a new sentence

/// # Ok::<(), Box<std::error::Error>>(()) }).unwrap();
/// ```
///
/// ## EOF is hit before `buf` is filled
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Maybe write it as "End of file". Some people might not know the term

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I expanded the earlier "EOF" in this doc-comment to "end of file (EOF)" and left it as shorthand in this heading.

/// {
/// let mut writer = Cursor::new(&mut output[..]);
/// // Note that for `Cursor` the read and write halves share a single
/// // seek position, this may or may not be true for other types that
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position. This...

/// use std::io::Cursor;
///
/// let mut reader = Cursor::new([1, 2, 3, 4]);
/// let mut buffer = [0, 0, 0, 0, 4, 3, 2, 1];
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One final tiny thing: Here I'd prefer to not reuse the numbers and instead use different numbers like 5, 6, 7, 8. This makes it more clear what's happening

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Rebase (again) 🙂

@Nemo157 Nemo157 force-pushed the futures-util-io-examples branch from 66a9b3d to ea11c8d Compare July 21, 2018 13:31
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Nemo157 commented Jul 21, 2018

Rebased and changed the numbers.

@MajorBreakfast MajorBreakfast merged commit 6dea985 into rust-lang:master Jul 21, 2018
@Nemo157 Nemo157 deleted the futures-util-io-examples branch July 21, 2018 13:58
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2 participants