schema-registry-api 2.0.1

# Schema registry API

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Provide a REST API to call with a schema registry.

## Examples

List subjects

```rust, no_run
use reqwest::Url;
use schema_registry_api::SchemaRegistry;

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    // Create a `SchemaRegistry`
    let base_url = Url::parse("http://localhost:8081")?;
    let sr = SchemaRegistry::build_default(base_url)?;

    // List subjects
    let subjects = sr.subject().list(None, None).await?;

    if subjects.is_empty() {
        println!("No subject found");
    }
    for subject in &subjects {
        println!("Found subject '{subject}'");
    }
    Ok(())
}
```

Register a schema

```rust, no_run
use reqwest::Url;
use schema_registry_api::{RegisterSchema, SchemaRegistry};

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    // Create a `SchemaRegistry`
    let base_url = Url::parse("http://localhost:8081")?;
    let sr = SchemaRegistry::build_default(base_url)?;

    // Create a subject
    let subject = "a-topic-value".parse()?;
    // Create the `RegisterSchema`
    let schema = RegisterSchema {
        schema: include_str!("../tests/assets/a_record.avsc").to_string(),
        ..Default::default()
    };

    // Register the schema for the subject
    let registered_schema = sr.subject().new_version(&subject, &schema, None).await?;
    // Get the schema id
    let schema_id = registered_schema.id;

    println!("The schema #{schema_id} is registered for subject '{subject}'");
    Ok(())
}
```

## License

Licensed under either of

 * Apache License, Version 2.0
   ([LICENSE-APACHE](LICENSE-APACHE) or <http://www.apache.org/licenses/LICENSE-2.0>)
 * MIT license
   ([LICENSE-MIT](LICENSE-MIT) or <http://opensource.org/licenses/MIT>)

at your option.

## Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.