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Correctly report the cause of IO error 

This was fixed in #195 but unintentionally reverted in #194.
This commit is contained in:
David Tolnay 2017-07-22 13:33:48 -07:00
parent 815c44287a
commit d44adb148e
1 changed files with 1 additions and 1 deletions
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2
src/internal.rs
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@ -68,7 +68,7 @@ impl error::Error for ErrorKind {
fn cause(&self) -> Option<&error::Error> { fn cause(&self) -> Option<&error::Error> {
match *self { match *self {
ErrorKind::Io(ref err) => err.cause(), ErrorKind::Io(ref err) => Some(err),
ErrorKind::InvalidEncoding{..} => None, ErrorKind::InvalidEncoding{..} => None,
ErrorKind::SequenceMustHaveLength => None, ErrorKind::SequenceMustHaveLength => None,
ErrorKind::SizeLimit => None, ErrorKind::SizeLimit => None,