From 4c233d1c73edae4fb2609100528d3c952723453f Mon Sep 17 00:00:00 2001
From: Palmer Cox
Date: Thu, 13 Feb 2014 23:28:11 -0500
Subject: Update LimitReader to take the Reader to wrap by value
---
src/libstd/io/util.rs | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
(limited to 'src/libstd')
diff --git a/src/libstd/io/util.rs b/src/libstd/io/util.rs
index c4d92b36ecf..2e12fc0b9f2 100644
--- a/src/libstd/io/util.rs
+++ b/src/libstd/io/util.rs
@@ -14,19 +14,20 @@ use io;
use vec::bytes::MutableByteVector;
/// Wraps a `Reader`, limiting the number of bytes that can be read from it.
-pub struct LimitReader<'a, R> {
+pub struct LimitReader {
priv limit: uint,
- priv inner: &'a mut R
+ priv inner: R
}
-impl<'a, R: Reader> LimitReader<'a, R> {
+impl LimitReader {
/// Creates a new `LimitReader`
- pub fn new<'a>(r: &'a mut R, limit: uint) -> LimitReader<'a, R> {
+ pub fn new(r: R, limit: uint) -> LimitReader {
LimitReader { limit: limit, inner: r }
}
+ pub fn unwrap(self) -> R { self.inner }
}
-impl<'a, R: Reader> Reader for LimitReader<'a, R> {
+impl Reader for LimitReader {
fn read(&mut self, buf: &mut [u8]) -> io::IoResult {
if self.limit == 0 {
return Err(io::standard_error(io::EndOfFile));
@@ -192,7 +193,7 @@ mod test {
fn test_bounded_reader_unlimited() {
let mut r = MemReader::new(~[0, 1, 2]);
{
- let mut r = LimitReader::new(&mut r, 4);
+ let mut r = LimitReader::new(r.by_ref(), 4);
assert_eq!(~[0, 1, 2], r.read_to_end().unwrap());
}
}
@@ -201,7 +202,7 @@ mod test {
fn test_bound_reader_limited() {
let mut r = MemReader::new(~[0, 1, 2]);
{
- let mut r = LimitReader::new(&mut r, 2);
+ let mut r = LimitReader::new(r.by_ref(), 2);
assert_eq!(~[0, 1], r.read_to_end().unwrap());
}
assert_eq!(~[2], r.read_to_end().unwrap());
--
cgit 1.4.1-3-g733a5