#[derive(InputObject)]
{
// Attributes available to this derive:
#[field]
#[graphql]
}
Define a GraphQL input object
See also the Book.
Attribute | description | Type | Optional |
name | Object name | string | Y |
Attribute | description | Type | Optional |
name | Field name | string | Y |
default | Use Default::default for default value | none | Y |
default | Argument default value | literal | Y |
default_with | Expression to generate default value | code string | Y |
validator | Input value validator | InputValueValidator | Y |
flatten | Similar to serde (flatten) | boolean | Y |
use async_graphql::*;
#[derive(InputObject)]
struct MyInputObject {
a: i32,
#[graphql(default = 10)]
b: i32,
}
struct QueryRoot;
#[Object]
impl QueryRoot {
async fn value(&self, input: MyInputObject) -> i32 {
input.a * input.b
}
}
async_std::task::block_on(async move {
let schema = Schema::new(QueryRoot, EmptyMutation, EmptySubscription);
let res = schema.execute(r#"
{
value1: value(input:{a:9, b:3})
value2: value(input:{a:9})
}"#).await.into_result().unwrap().data;
assert_eq!(res, value!({ "value1": 27, "value2": 90 }));
});