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ServerRole

pg_proto::middleware

Enum ServerRole 

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pub enum ServerRole {}
Expand description

Marker for middleware handling messages sent by a PostgreSQL server.

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impl Clone for ServerRole

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fn clone(&self) -> ServerRole

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for ServerRole

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impl Debug for ServerRole

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Eq for ServerRole

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impl PartialEq for ServerRole

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fn eq(&self, other: &ServerRole) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for ServerRole

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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerStartupRejected

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type ProtocolPhase = Startup

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<StartupInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerAuth

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type ProtocolPhase = Auth

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<AuthInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerPassword

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type ProtocolPhase = PasswordResponse

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<PasswordResponseInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerSaslInitial

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type ProtocolPhase = SaslInitial

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SaslInitialInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerSasl

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type ProtocolPhase = Sasl

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SaslInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerSaslResponse

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type ProtocolPhase = SaslResponse

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SaslResponseInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerAuthResponse

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type ProtocolPhase = TokenResponse

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<TokenResponseInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerAuthPolicy

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type ProtocolPhase = TokenPolicy

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<TokenPolicyInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerStartupReady

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type ProtocolPhase = StartupReady

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<StartupReadyInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerSimpleQuery

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type ProtocolPhase = Simple

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerSimpleError

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type ProtocolPhase = SimpleError

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleErrorInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerFunctionCall

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type ProtocolPhase = FunctionResponse

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<FunctionResponseInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerFunctionCallDone

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type ProtocolPhase = FunctionReady

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<FunctionReadyInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerFunctionCallError

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type ProtocolPhase = FunctionReady

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<FunctionReadyInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerParse

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type ProtocolPhase = ParseResponse

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ParseResponseInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerBind

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type ProtocolPhase = BindResponse

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<BindResponseInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerDescribe

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type ProtocolPhase = DescribeResponse

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<DescribeResponseInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerExecute

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type ProtocolPhase = ExecuteResponse

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExecuteResponseInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerClose

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type ProtocolPhase = CloseResponse

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<CloseResponseInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerSync

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type ProtocolPhase = SyncResponse

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SyncResponseInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerBuilding

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type ProtocolPhase = Building

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<BuildingInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerExtendedError

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type ProtocolPhase = ExtendedError

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExtendedErrorInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyIn<CopySimple>

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type ProtocolPhase = SimpleCopyIn

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleCopyInInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyIn<CopyExtended>

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type ProtocolPhase = ExtendedCopyIn

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExtendedCopyInInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyInDone<CopySimple>

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type ProtocolPhase = SimpleCopyInDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleCopyInDoneInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyInDone<CopyExtended>

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type ProtocolPhase = ExtendedCopyInDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExtendedCopyInDoneInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyInFailed<CopySimple>

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type ProtocolPhase = SimpleCopyInFailed

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleCopyInFailedInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyInFailed<CopyExtended>

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type ProtocolPhase = ExtendedCopyInFailed

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExtendedCopyInFailedInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyOut<CopySimple>

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type ProtocolPhase = SimpleCopyOut

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleCopyOutInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyOut<CopyExtended>

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type ProtocolPhase = ExtendedCopyOut

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExtendedCopyOutInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyOutDone<CopySimple>

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type ProtocolPhase = SimpleCopyOutDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleCopyOutDoneInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyOutDone<CopyExtended>

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type ProtocolPhase = ExtendedCopyOutDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExtendedCopyOutDoneInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyBoth<CopySimple, BothOpen>

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type ProtocolPhase = SimpleCopyBoth

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleCopyBothInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyBoth<CopyExtended, BothOpen>

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type ProtocolPhase = ExtendedCopyBoth

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExtendedCopyBothInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyBoth<CopySimple, BothClientDone>

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type ProtocolPhase = SimpleCopyBothClientDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleCopyBothClientDoneInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyBoth<CopyExtended, BothClientDone>

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type ProtocolPhase = ExtendedCopyBothClientDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExtendedCopyBothClientDoneInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyBoth<CopySimple, BothServerDone>

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type ProtocolPhase = SimpleCopyBothServerDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleCopyBothServerDoneInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyBoth<CopyExtended, BothServerDone>

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type ProtocolPhase = ExtendedCopyBothServerDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExtendedCopyBothServerDoneInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyBoth<CopySimple, BothDone>

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type ProtocolPhase = SimpleCopyBothDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleCopyBothDoneInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyBoth<CopyExtended, BothDone>

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type ProtocolPhase = ExtendedCopyBothDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExtendedCopyBothDoneInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyBothFailed<CopySimple>

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type ProtocolPhase = SimpleCopyBothFailed

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleCopyBothFailedInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, BackendMessage> for ServerCopyBothFailed<CopyExtended>

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type ProtocolPhase = ExtendedCopyBothFailed

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ExtendedCopyBothFailedInternalMessage>

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, EncryptionReply> for ServerSslDecision

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type ProtocolPhase = SslDecision

Generated grammar phase corresponding to the connection typestate.
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type Message = SslDecisionInternalMessage

Opaque set of locally generated messages legal in this phase.
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impl TypedOutboundPhase<ServerRole, EncryptionReply> for ServerGssDecision

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type ProtocolPhase = GssDecision

Generated grammar phase corresponding to the connection typestate.
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type Message = GssDecisionInternalMessage

Opaque set of locally generated messages legal in this phase.
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impl TypedPhase<ServerRole, BackendMessage> for Ready

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type ProtocolPhase = Ready

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ReadyExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for Auth

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type ProtocolPhase = Auth

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<AuthExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for TokenChallenge

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type ProtocolPhase = TokenChallenge

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<TokenChallengeExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for Sasl

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type ProtocolPhase = Sasl

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SaslExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for AwaitingAuthOk

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type ProtocolPhase = AwaitingAuthOk

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<AwaitingAuthOkExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for AwaitingStartupReady

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type ProtocolPhase = AwaitingStartupReady

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<AwaitingStartupReadyExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for SimpleQuery

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type ProtocolPhase = Simple

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<SimpleExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for FunctionCalling

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type ProtocolPhase = FunctionCalling

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<FunctionCallingExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for Building

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type ProtocolPhase = Building

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<BuildingExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for BoundBuilding

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type ProtocolPhase = BoundBuilding

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<BoundBuildingExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for AwaitingReady

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type ProtocolPhase = AwaitingReady

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<AwaitingReadyExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for CopyIn

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type ProtocolPhase = CopyIn

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<CopyInExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for CopyOut

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type ProtocolPhase = CopyOut

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<CopyOutExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for CopyBoth

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type ProtocolPhase = CopyBoth

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<CopyBothExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for CopyBothClientDone

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type ProtocolPhase = CopyBothClientDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<CopyBothClientDoneExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for CopyBothServerDone

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type ProtocolPhase = CopyBothServerDone

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<CopyBothServerDoneExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for Draining

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type ProtocolPhase = Draining

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<DrainingExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for Resetting

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type ProtocolPhase = Resetting

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ResettingExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, BackendMessage> for ResetComplete

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type ProtocolPhase = ResetComplete

Generated grammar phase corresponding to the connection typestate.
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type Message = TypedBackendMessage<ResetCompleteExternalMessage>

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, EncryptionReply> for AwaitingSslReply

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type ProtocolPhase = AwaitingSslReply

Generated grammar phase corresponding to the connection typestate.
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type Message = AwaitingSslReplyExternalMessage

Opaque set of decoded messages legal for this role and phase.
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impl TypedPhase<ServerRole, EncryptionReply> for AwaitingGssReply

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type ProtocolPhase = AwaitingGssReply

Generated grammar phase corresponding to the connection typestate.
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type Message = AwaitingGssReplyExternalMessage

Opaque set of decoded messages legal for this role and phase.

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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where U: From<T>,

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Calls U::from(self).

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fn then<Next>(self, next: Next) -> Then<Self, Next>

Runs this value followed by next whenever both implement middleware for the intercepted message and state types.
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