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| -rw-r--r-- | src/error.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/error.rs b/src/error.rs index 57d636a..b26a21d 100644 --- a/src/error.rs +++ b/src/error.rs @@ -26,6 +26,13 @@ impl error::Error for Error { Error::NotmuchError(ref e) => e.description(), } } + + fn cause(&self) -> Option<&error::Error> { + match *self { + Error::IoError(ref e) => Some(e), + Error::NotmuchError(ref e) => Some(e), + } + } } impl error::FromError<io::Error> for Error { |