### Basic Usage: Check Bucket Existence with MinIO Rust SDK

Source: https://docs.rs/minio/0.3.0/crates/minio

Demonstrates how to use the MinIO Rust SDK to check if a bucket exists. It initializes a client, calls the `bucket_exists` method, and prints the result. Requires the `minio` and `tokio` crates.

```rust
use minio::s3::Client;
use minio::s3::types::S3Api;
use minio::s3::response::BucketExistsResponse;

#[tokio::main]
async fn main() {
    let client: Client = Default::default(); // configure your client

    let exists: BucketExistsResponse = client
        .bucket_exists("my-bucket")
        .send()
        .await
        .expect("request failed");

    println!("Bucket exists: {}", exists.exists);
}
```

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