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-rw-r--r--src/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib.rs b/src/lib.rs
index e6999ad..86057ff 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -57,7 +57,7 @@ impl error::Error for MailParseError {
}
}
- fn cause(&self) -> Option<&error::Error> {
+ fn cause(&self) -> Option<&dyn error::Error> {
match *self {
MailParseError::QuotedPrintableDecodeError(ref err) => Some(err),
MailParseError::Base64DecodeError(ref err) => Some(err),