Storage blob - functions must not require cloneable Client if no stream function is called (#316)

* relaxed list_blobs requirements if not calling `stream`

Author: Francesco Cogno

azure_sdk_storage_blob/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name          = "azure_sdk_storage_blob"
-version       = "0.45.1"
+version       = "0.45.2"
 description   = "Rust wrappers around Microsoft Azure REST APIs - Blob storage crate"
 readme        = "README.md"
 authors       = ["Francesco Cogno <[email protected]>", "Max Gortman <[email protected]>", "Dong Liu <[email protected]>"]

azure_sdk_storage_blob/examples/blob_03_boxed_client.rs

@@ -36,6 +36,34 @@ async fn main() -> Result<(), Box<dyn Error>> {
     Ok(())
 }
 
+async fn list_blobs_box<'a>(
+    client: &'a Box<dyn Client>,
+    container: &'a str,
+) -> Result<(), AzureError> {
+    client
+        .list_blobs()
+        .with_max_results(100)
+        .with_container_name(container)
+        .finalize()
+        .await?;
+
+    Ok(())
+}
+
+async fn list_blobs_arc<'a>(
+    client: &'a Arc<dyn Client>,
+    container: &'a str,
+) -> Result<(), AzureError> {
+    client
+        .list_blobs()
+        .with_max_results(100)
+        .with_container_name(container)
+        .finalize()
+        .await?;
+
+    Ok(())
+}
+
 async fn get_blob_box<'a>(
     client: &'a Box<dyn Client>,
     container: &'a str,

azure_sdk_storage_blob/src/container/requests/list_blobs_builder.rs

@@ -540,10 +540,9 @@ where
 
 impl<'a, C> IncludeListOptions for ListBlobBuilder<'a, C, Yes> where C: Client {}
 
-// methods callable only when every mandatory field has been filled
 impl<'a, C> ListBlobBuilder<'a, C, Yes>
 where
-    C: Client + Clone,
+    C: Client,
 {
     pub async fn finalize(self) -> Result<ListBlobsResponse, AzureError> {
         // we create a copy to move into the future's closure.
@@ -584,7 +583,12 @@ where
                 .await?;
         ListBlobsResponse::from_response(&container_name, &headers, &body_as_str)
     }
+}
 
+impl<'a, C> ListBlobBuilder<'a, C, Yes>
+where
+    C: Client + Clone,
+{
     pub fn stream(self) -> impl Stream<Item = Result<ListBlobsResponse, AzureError>> + 'a {
         #[derive(Debug, Clone, PartialEq)]
         enum States {