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surface connection error as connection context cancelation cause (#3961)

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* connection: surface connection error as connection context cancellation cause

* docs: add note about connection context canellation cause
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Ferdinand Holzer 2023-07-18 06:31:31 +02:00 • committed by GitHub
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@ -132,7 +132,7 @@ The `quic.Transport` contains a few configuration options that don't apply to an
#### When the remote Peer closes the Connection
In case the peer closes the QUIC connection, all calls to open streams, accept streams, as well as all methods on streams immediately return an error. Users can use errors assertions to find out what exactly went wrong:
In case the peer closes the QUIC connection, all calls to open streams, accept streams, as well as all methods on streams immediately return an error. Additionally, it is set as cancellation cause of the connection context. Users can use errors assertions to find out what exactly went wrong:
* `quic.VersionNegotiationError`: Happens during the handshake, if there is no overlap between our and the remote's supported QUIC versions.
* `quic.HandshakeTimeoutError`: Happens if the QUIC handshake doesn't complete within the time specified in `quic.Config.HandshakeTimeout`.