juniper

Trait ExtractTypeFromStream

Source 
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.

Required 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]

Implementors§