Trait juniper::ExtractTypeFromStream

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pub trait ExtractTypeFromStream<T, S> where
    S: ScalarValue, {
    type Item: GraphQLValue<S>;
}

Expand description

This trait is used in juniper::graphql_subscription macro to get stream’s item type that implements GraphQLValue from type alias provided by user.

Associated Types

source

type Item: GraphQLValue<S>

Stream’s return Value that will be returned if no errors occured. Is used to determine field type in #[juniper::graphql_subscription]

Trait juniper::ExtractTypeFromStream

Associated Types

type Item: GraphQLValue<S>

Implementors