Attribute Macro async_graphql::Enum

#[Enum]

Define a GraphQL enum

You can also derive this.

See also the Book.

Macro parameters

Attribute	description	Type	Optional
name	Enum name	string	Y
desc	Enum description	string	Y

Item parameters

Attribute	description	Type	Optional
name	Item name	string	Y
desc	Item description	string	Y
deprecation	Item deprecation reason	string	Y

Examples

use async_graphql::*;

#[Enum]
enum MyEnum {
    A,
    #[item(name = "b")] B,
}

struct QueryRoot {
    value1: MyEnum,
    value2: MyEnum,
}

#[Object]
impl QueryRoot {
    #[field(desc = "value")]
    async fn value1(&self) -> MyEnum {
        self.value1
    }

    #[field(desc = "value")]
    async fn value2(&self) -> MyEnum {
        self.value2
    }
}

async_std::task::block_on(async move {
    let schema = Schema::new(QueryRoot{ value1: MyEnum::A, value2: MyEnum::B }, EmptyMutation, EmptySubscription);
    let res = schema.execute("{ value1 value2 }").await.unwrap().data;
    assert_eq!(res, serde_json::json!({ "value1": "A", "value2": "b" }));
});