pub async fn graphql_subscription<Query, Mutation, Subscription>(
websocket: WebSocket,
schema: Schema<Query, Mutation, Subscription>,
protocol: SecWebsocketProtocol,
)where
Query: ObjectType + Sync + Send + 'static,
Mutation: ObjectType + Sync + Send + 'static,
Subscription: SubscriptionType + Send + Sync + 'static,Expand description
GraphQL subscription handler