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doc: mut not needed

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This commit is contained in:
Tshepang Lekhonkhobe 2016-05-05 23:55:08 +02:00
parent 102bab3d68
commit 8e9008dc30
1 changed files with 1 additions and 1 deletions
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2
src/libstd/io/mod.rs
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@ -182,7 +182,7 @@
//!
//! # fn foo() -> io::Result<()> {
//! let f = try!(File::open("foo.txt"));
//! let mut reader = BufReader::new(f);
//! let reader = BufReader::new(f);
//!
//! for line in reader.lines() {
//! let line = try!(line);