chore: run cargo format on the code base

01.workspace/heave/examples/working_with_many_types.rs

@@ -141,11 +141,7 @@ fn main() -> Result<(), FailedTo> {
 
     laptop_catalog.load_by_filter(&laptop_filter)?;
 
-    let laptops: Vec<Product> = laptop_catalog
+    let laptops: Vec<Product> = laptop_catalog.list().unwrap().into_iter().collect();
-        .list()
-        .unwrap()
-        .into_iter()
-        .collect();
 
     println!("✅ Loaded {} laptop(s) using filter.", laptops.len());
     assert_eq!(laptops.len(), 2);
@@ -168,11 +164,7 @@ fn main() -> Result<(), FailedTo> {
 
     expensive_catalog.load_by_filter(&expensive_filter)?;
 
-    let expensive_products: Vec<Product> = expensive_catalog
+    let expensive_products: Vec<Product> = expensive_catalog.list().unwrap().into_iter().collect();
-        .list()
-        .unwrap()
-        .into_iter()
-        .collect();
 
     println!(
         "✅ Loaded {} product(s) with price > $1000.",
@@ -199,11 +191,7 @@ fn main() -> Result<(), FailedTo> {
     let all_products_filter = Filter::new().with_class(Product::class());
     all_products_catalog.load_by_filter(&all_products_filter)?;
 
-    let all_products: Vec<Product> = all_products_catalog
+    let all_products: Vec<Product> = all_products_catalog.list().unwrap().into_iter().collect();
-        .list()
-        .unwrap()
-        .into_iter()
-        .collect();
 
     println!("✅ Loaded {} total products.", all_products.len());
     assert_eq!(all_products.len(), 4);

01.workspace/heave/src/fun/sqlite_init_db.rs

@@ -25,8 +25,7 @@ pub fn run(path: &path::Path) -> result::Result<(), FailedTo> {
         CREATE INDEX IF NOT EXISTS attribute_id ON attribute (id);
         CREATE INDEX IF NOT EXISTS attribute_entity_id ON attribute (entity_id);
         "#;
-    let connection = Connection::open(path)
+    let connection = Connection::open(path).map_err(sqlite::FailedTo::OpenConnection)?;
-        .map_err(sqlite::FailedTo::OpenConnection)?;
     connection
         .execute_batch(init_statement)
         .map_err(sqlite::FailedTo::ExecuteBatch)?;

01.workspace/heave/src/fun/sqlite_load_by_class.rs

@@ -8,8 +8,7 @@ const SELECT_ENTITY_BY_CLASS: &str = r#"
 
 pub fn run(path: &path::Path, entity_class: &str) -> Result<Vec<Entity>, FailedTo> {
     let mut entities = Vec::<Entity>::new();
-    let mut connection = Connection::open(path)
+    let mut connection = Connection::open(path).map_err(sqlite::FailedTo::OpenConnection)?;
-        .map_err(sqlite::FailedTo::OpenConnection)?;
     let mut transaction = connection
         .transaction()
         .map_err(sqlite::FailedTo::BeginTransaction)?;

01.workspace/heave/src/fun/sqlite_load_by_filter.rs

@@ -3,8 +3,7 @@ use rusqlite::*;
 
 pub fn run(path: &path::Path, filter: &Filter) -> Result<Vec<Entity>, FailedTo> {
     let mut entities = Vec::<Entity>::new();
-    let mut connection = Connection::open(path)
+    let mut connection = Connection::open(path).map_err(sqlite::FailedTo::OpenConnection)?;
-        .map_err(sqlite::FailedTo::OpenConnection)?;
     let mut transaction = connection
         .transaction()
         .map_err(sqlite::FailedTo::BeginTransaction)?;

01.workspace/heave/src/fun/sqlite_load_by_id.rs

@@ -7,8 +7,7 @@ const SELECT_ENTITY_BY_ID: &str = r#"
 "#;
 
 pub fn run(path: &path::Path, entity_id: &str) -> Result<Option<Entity>, FailedTo> {
-    let mut connection = Connection::open(path)
+    let mut connection = Connection::open(path).map_err(sqlite::FailedTo::OpenConnection)?;
-        .map_err(sqlite::FailedTo::OpenConnection)?;
     let mut transaction = connection
         .transaction()
         .map_err(sqlite::FailedTo::BeginTransaction)?;

01.workspace/heave/src/fun/sqlite_persist_catalog.rs

@@ -66,8 +66,7 @@ fn write_entity(entity: &Entity, transaction: &rusqlite::Transaction) -> Result<
 }
 
 pub fn run(path: &path::Path, items: &HashMap<String, Entity>) -> result::Result<(), FailedTo> {
-    let mut connection = Connection::open(path)
+    let mut connection = Connection::open(path).map_err(sqlite::FailedTo::OpenConnection)?;
-        .map_err(sqlite::FailedTo::OpenConnection)?;
     let transaction = connection
         .transaction()
         .map_err(sqlite::FailedTo::BeginTransaction)?;

01.workspace/heave/src/imp/catalog_list_by_subclass.rs

@@ -30,7 +30,7 @@ impl Catalog {
                 .values()
                 .filter(move |item| item.class == T::class())
                 .filter(move |item| item.subclass.as_deref() == Some(subclass))
-.filter_map(|item| { T::try_from(item.clone()).ok() })
+                .filter_map(|item| T::try_from(item.clone()).ok())
                 .collect())
         })
     }

01.workspace/heave/src/tst/catalog_integration.rs

@@ -70,11 +70,7 @@ mod tests {
         // 2. new catalog -> 'load_by_class' -> 'list_by_class'
         let catalog2 = Catalog::new(db_path);
         catalog2.load::<Item>().unwrap();
-        let mut loaded_items: Vec<Item> = catalog2
+        let mut loaded_items: Vec<Item> = catalog2.list::<Item>().unwrap().into_iter().collect();
-            .list::<Item>()
-            .unwrap()
-            .into_iter()
-            .collect();
         // Sort by ID to ensure consistent order for comparison
         let mut expected_items = items_to_insert;
         loaded_items.sort_by(|a, b| a.id.cmp(&b.id));