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auto merge of #16247 : TimDumol/rust/patch-1, r=alexcrichton

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The 30-minute intro had a comment mentioning that `+=` will be included in the future. It's already included, and this fixes it to use `+=`.
This commit is contained in:
bors 2014-08-05 19:06:23 +00:00
commit f5ac41185a
1 changed files with 4 additions and 3 deletions
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src/doc/intro.md
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@ -359,10 +359,11 @@ fn main() {
// Take the lock, along with exclusive access to the underlying array // Take the lock, along with exclusive access to the underlying array
let mut numbers = numbers_lock.lock(); let mut numbers = numbers_lock.lock();
// This is ugly for now, but will be replaced by // This is ugly for now because of the need for `get_mut`, but
// `numbers[num as uint] += 1` in the near future. // will be replaced by `numbers[num as uint] += 1`
// in the near future.
// See: https://github.com/rust-lang/rust/issues/6515 // See: https://github.com/rust-lang/rust/issues/6515
*numbers.get_mut(num as uint) = *numbers.get_mut(num as uint) + 1; *numbers.get_mut(num as uint) += 1;
println!("{}", (*numbers)[num as uint]); println!("{}", (*numbers)[num as uint]);