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Allow to access Error's backtrace object
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2 changed files with 19 additions and 0 deletions
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@ -6,6 +6,8 @@
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* Add Content-Disposition to NamedFile #204
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* Allow to access Error's backtrace object
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## 0.5.6 (2018-04-24)
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17
src/error.rs
17
src/error.rs
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@ -45,6 +45,16 @@ impl Error {
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pub fn cause(&self) -> &ResponseError {
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self.cause.as_ref()
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}
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/// Returns a reference to the Backtrace carried by this error, if it
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/// carries one.
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pub fn backtrace(&self) -> Option<&Backtrace> {
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if let Some(bt) = self.cause.backtrace() {
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Some(bt)
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} else {
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self.backtrace.as_ref()
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}
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}
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}
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/// Error that can be converted to `HttpResponse`
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@ -793,6 +803,13 @@ mod tests {
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assert_eq!(format!("{}", e.cause().unwrap()), desc);
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}
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#[test]
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fn test_backtrace() {
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let orig = ErrorBadRequest("err");
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let e: Error = orig.into();
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assert!(e.backtrace().is_some());
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}
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#[test]
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fn test_error_cause() {
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let orig = io::Error::new(io::ErrorKind::Other, "other");
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