feat(client): add a TrySendError::message()
method
#3884
Merged
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this commit introduces a new inherent method to
hyper::client::conn::TrySendError<T>
.this error type includes a
TrySendError::take_message()
method today that will return an owned instance of the inbound message, should the underlying dispatch have been closed before serialization of the message ever began.this commit introduces a new method that allows callers to inspect the message, e.g. to update metrics, without needing to take ownership of the message.