async-graphql/docs/en/src/sdl_export.md
Edward Rudd 3b7ed74d11 correct doc examples so they compile
- examples to fix still
  - error_extensions.md ResultExt example does not compile!
     - trait ErrorExtensions is not implemented for ParseIntError
  - dataloader
     - requires sqlx to work. So we either "stub" it OR we rewrite them simpler to use a  simple "faux" db library
2022-06-02 17:32:12 -04:00

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# SDL Export
You can export your schema in Schema Definition Language (SDL) by using the `Schema::sdl()` method.
```rust
# extern crate async_graphql;
use async_graphql::*;
struct Query;
#[Object]
impl Query {
async fn add(&self, u: i32, v: i32) -> i32 {
u + v
}
}
let schema = Schema::build(Query, EmptyMutation, EmptySubscription).finish();
// Print the schema in SDL format
println!("{}", &schema.sdl());
```