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Rollup merge of #29062 - rgardner:rgardner-fix-book-comp-warning, r=alexcrichton

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Before this commit, the first "A Rust library" code sample produced
the following compilation warning:
```
test.rs:7:22: 7:36 warning: unnecessary parentheses around `for` head
expression, #[warn(unused_parens)] on by default
test.rs:7             for _ in (0..5_000_000) {
```

This commit just removes the parens around the range 0..5_000_000 thereby removing the compilation warning.
This commit is contained in:
Manish Goregaokar 2015-10-15 13:41:33 +05:30
commit 677a9895a8
1 changed files with 1 additions and 1 deletions
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2
src/doc/trpl/rust-inside-other-languages.md
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@ -108,7 +108,7 @@ fn process() {
let handles: Vec<_> = (0..10).map(|_| {
thread::spawn(|| {
let mut x = 0;
for _ in (0..5_000_000) {
for _ in 0..5_000_000 {
x += 1
}
x