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Relax lifetime bounds on Reader/Writer impls for trait boxes #16843

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Relax lifetime bounds on Reader/Writer impls for trait boxes #16843

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16 changes: 16 additions & 0 deletions src/libstd/io/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -945,10 +945,16 @@ pub trait Reader {
}
}

#[cfg(stage0)]
impl Reader for Box<Reader+'static> {
fn read(&mut self, buf: &mut [u8]) -> IoResult<uint> { self.read(buf) }
}

#[cfg(not(stage0))]
impl<'a> Reader for Box<Reader+'a> {
fn read(&mut self, buf: &mut [u8]) -> IoResult<uint> { self.read(buf) }
}

impl<'a> Reader for &'a mut Reader+'a {
fn read(&mut self, buf: &mut [u8]) -> IoResult<uint> { self.read(buf) }
}
Expand Down Expand Up @@ -1295,6 +1301,7 @@ pub trait Writer {
}
}

#[cfg(stage0)]
impl Writer for Box<Writer+'static> {
#[inline]
fn write(&mut self, buf: &[u8]) -> IoResult<()> { self.write(buf) }
Expand All @@ -1303,6 +1310,15 @@ impl Writer for Box<Writer+'static> {
fn flush(&mut self) -> IoResult<()> { self.flush() }
}

#[cfg(not(stage0))]
impl<'a> Writer for Box<Writer+'a> {
#[inline]
fn write(&mut self, buf: &[u8]) -> IoResult<()> { self.write(buf) }

#[inline]
fn flush(&mut self) -> IoResult<()> { self.flush() }
}

impl<'a> Writer for &'a mut Writer+'a {
#[inline]
fn write(&mut self, buf: &[u8]) -> IoResult<()> { self.write(buf) }
Expand Down