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Updates

grace

• Go 1.9: func (srv *Server) RegisterOnShutdown(f func())
• Go 1.13

type Server struct {
    // ...

    // BaseContext optionally specifies a function that returns
    // the base context for incoming requests on this server.
    // The provided Listener is the specific Listener that's
    // about to start accepting requests.
    // If BaseContext is nil, the default is context.Background().
    // If non-nil, it must return a non-nil context.
    BaseContext func(net.Listener) context.Context // Go 1.13

    // ConnContext optionally specifies a function that modifies
    // the context used for a new connection c. The provided ctx
    // is derived from the base context and has a ServerContextKey
    // value.
    ConnContext func(ctx context.Context, c net.Conn) context.Context // Go 1.13
}