Derive Macro async_graphql::OneofObject

#[derive(OneofObject)]
{
    // Attributes available to this derive:
    #[graphql]
}

This is supported on crate feature unstable_oneof only.

Define a GraphQL oneof input object

Macro attributes

Attribute	description	Type	Optional
name	Object name	string	Y
rename_fields	Rename all the fields according to the given case convention. The possible values are “lowercase”, “UPPERCASE”, “PascalCase”, “camelCase”, “snake_case”, “SCREAMING_SNAKE_CASE”.	string	Y
visible	If false, it will not be displayed in introspection. See also the Book.	bool	Y
visible	Call the specified function. If the return value is false, it will not be displayed in introspection.	string	Y
concretes	Specify how the concrete type of the generic SimpleObject should be implemented.	ConcreteType	Y

Field attributes

Attribute	description	Type	Optional
name	Field name	string	Y
validator	Input value validator See also the Book	object	Y
visible	If false, it will not be displayed in introspection. See also the Book.	bool	Y
visible	Call the specified function. If the return value is false, it will not be displayed in introspection.	string	Y
secret	Mark this field as a secret, it will not output the actual value in the log.	bool	Y

Examples

use async_graphql::*;

#[derive(OneofObject)]
enum MyInputObject {
    A(i32),
    B(String),
}

struct Query;

#[Object]
impl Query {
    /// value
    async fn value(&self, input: MyInputObject) -> String {
        match input {
            MyInputObject::A(value) => format!("a:{}", value),
            MyInputObject::B(value) => format!("b:{}", value),
        }
    }
}

let schema = Schema::new(Query, EmptyMutation, EmptySubscription);
let res = schema.execute(r#"
{
    value1: value(input:{a:100})
    value2: value(input:{b:"abc"})
}"#).await.into_result().unwrap().data;
assert_eq!(res, value!({ "value1": "a:100", "value2": "b:abc" }));