@@ -260,10 +260,7 @@ <h2 id="restcatalog"><a class="header" href="#restcatalog"><code>RestCatalog</co
260260< span  class ="boring "> 
261261</ span > < span  class ="boring ">     // List all namespaces already in the catalog.
262262</ span > < span  class ="boring ">     let existing_namespaces = catalog.list_namespaces(None).await.unwrap();
263- </ span > < span  class ="boring ">     println!(
264- </ span > < span  class ="boring ">         "Namespaces alreading in the existing catalog: {:?}",
265- </ span > < span  class ="boring ">         existing_namespaces
266- </ span > < span  class ="boring ">     );
263+ </ span > < span  class ="boring ">     println!("Namespaces alreading in the existing catalog: {existing_namespaces:?}");
267264</ span > < span  class ="boring "> 
268265</ span > < span  class ="boring ">     // Create a new namespace identifier.
269266</ span > < span  class ="boring ">     let namespace_ident =
@@ -283,10 +280,10 @@ <h2 id="restcatalog"><a class="header" href="#restcatalog"><code>RestCatalog</co
283280</ span > < span  class ="boring ">         )
284281</ span > < span  class ="boring ">         .await
285282</ span > < span  class ="boring ">         .unwrap();
286- </ span > < span  class ="boring ">     println!("Namespace {:?} created!", namespace_ident );
283+ </ span > < span  class ="boring ">     println!("Namespace {namespace_ident :?} created!");
287284</ span > < span  class ="boring "> 
288285</ span > < span  class ="boring ">     let loaded_namespace = catalog.get_namespace(&namespace_ident).await.unwrap();
289- </ span > < span  class ="boring ">     println!("Namespace loaded!\n\nNamespace: {:#?}", loaded_namespace ,);
286+ </ span > < span  class ="boring ">     println!("Namespace loaded!\n\nNamespace: {loaded_namespace :#?}",);
290287</ span > < span  class ="boring "> }</ span > </ code > </ pre > 
291288< p > You can run following code to list all root namespaces:</ p > 
292289< pre > < code  class ="language-rust no_run noplayground "> < span  class ="boring "> // Licensed to the Apache Software Foundation (ASF) under one
@@ -333,10 +330,7 @@ <h2 id="restcatalog"><a class="header" href="#restcatalog"><code>RestCatalog</co
333330</ span > < span  class ="boring "> 
334331</ span >     // List all namespaces already in the catalog.
335332    let existing_namespaces = catalog.list_namespaces(None).await.unwrap();
336-     println!(
337-         "Namespaces alreading in the existing catalog: {:?}",
338-         existing_namespaces
339-     );
333+     println!("Namespaces alreading in the existing catalog: {existing_namespaces:?}");
340334< span  class ="boring "> 
341335</ span > < span  class ="boring ">     // Create a new namespace identifier.
342336</ span > < span  class ="boring ">     let namespace_ident =
@@ -356,10 +350,10 @@ <h2 id="restcatalog"><a class="header" href="#restcatalog"><code>RestCatalog</co
356350</ span > < span  class ="boring ">         )
357351</ span > < span  class ="boring ">         .await
358352</ span > < span  class ="boring ">         .unwrap();
359- </ span > < span  class ="boring ">     println!("Namespace {:?} created!", namespace_ident );
353+ </ span > < span  class ="boring ">     println!("Namespace {namespace_ident :?} created!");
360354</ span > < span  class ="boring "> 
361355</ span > < span  class ="boring ">     let loaded_namespace = catalog.get_namespace(&namespace_ident).await.unwrap();
362- </ span > < span  class ="boring ">     println!("Namespace loaded!\n\nNamespace: {:#?}", loaded_namespace ,);
356+ </ span > < span  class ="boring ">     println!("Namespace loaded!\n\nNamespace: {loaded_namespace :#?}",);
363357</ span > < span  class ="boring "> }</ span > </ code > </ pre > 
364358< p > Then you can run following code to create namespace:</ p > 
365359< pre > < code  class ="language-rust no_run noplayground "> < span  class ="boring "> // Licensed to the Apache Software Foundation (ASF) under one
@@ -406,10 +400,7 @@ <h2 id="restcatalog"><a class="header" href="#restcatalog"><code>RestCatalog</co
406400</ span > < span  class ="boring "> 
407401</ span > < span  class ="boring ">     // List all namespaces already in the catalog.
408402</ span > < span  class ="boring ">     let existing_namespaces = catalog.list_namespaces(None).await.unwrap();
409- </ span > < span  class ="boring ">     println!(
410- </ span > < span  class ="boring ">         "Namespaces alreading in the existing catalog: {:?}",
411- </ span > < span  class ="boring ">         existing_namespaces
412- </ span > < span  class ="boring ">     );
403+ </ span > < span  class ="boring ">     println!("Namespaces alreading in the existing catalog: {existing_namespaces:?}");
413404</ span > < span  class ="boring "> 
414405</ span >     // Create a new namespace identifier.
415406    let namespace_ident =
@@ -429,10 +420,10 @@ <h2 id="restcatalog"><a class="header" href="#restcatalog"><code>RestCatalog</co
429420        )
430421        .await
431422        .unwrap();
432-     println!("Namespace {:?} created!", namespace_ident );
423+     println!("Namespace {namespace_ident :?} created!");
433424
434425    let loaded_namespace = catalog.get_namespace(&namespace_ident).await.unwrap();
435-     println!("Namespace loaded!\n\nNamespace: {:#?}", loaded_namespace ,);
426+     println!("Namespace loaded!\n\nNamespace: {loaded_namespace :#?}",);
436427< span  class ="boring "> }</ span > </ code > </ pre > 
437428< h1  id ="table "> < a  class ="header " href ="#table "> Table</ a > </ h1 > 
438429< p > After creating < code > Catalog</ code > , we can manipulate tables through < code > Catalog</ code > .</ p > 
@@ -532,7 +523,7 @@ <h1 id="table"><a class="header" href="#table">Table</a></h1>
532523</ span > < span  class ="boring "> 
533524</ span > < span  class ="boring ">     // Load the table back from the catalog. It should be identical to the created table.
534525</ span > < span  class ="boring ">     let loaded_table = catalog.load_table(&table_ident).await.unwrap();
535- </ span > < span  class ="boring ">     println!("Table {TABLE_NAME} loaded!\n\nTable: {:?}", loaded_table );
526+ </ span > < span  class ="boring ">     println!("Table {TABLE_NAME} loaded!\n\nTable: {loaded_table :?}");
536527</ span > < span  class ="boring "> }</ span > </ code > </ pre > 
537528< p > Also, you can load a table directly:</ p > 
538529< pre > < code  class ="language-rust no_run noplayground "> < span  class ="boring "> // Licensed to the Apache Software Foundation (ASF) under one
@@ -630,7 +621,7 @@ <h1 id="table"><a class="header" href="#table">Table</a></h1>
630621
631622    // Load the table back from the catalog. It should be identical to the created table.
632623    let loaded_table = catalog.load_table(&table_ident).await.unwrap();
633-     println!("Table {TABLE_NAME} loaded!\n\nTable: {:?}", loaded_table );
624+     println!("Table {TABLE_NAME} loaded!\n\nTable: {loaded_table :?}");
634625< span  class ="boring "> }</ span > </ code > </ pre > 
635626
636627                    </ main > 
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