♻️ Rename group len getter

quickfix-msg-gen/src/lib.rs

@@ -726,7 +726,7 @@ fn generate_group_reader(output: &mut String, struct_name: &str, group: &Message
     // Generate code.
     output.push_str(&format!(
         r#" #[inline(always)]
-            pub fn get_{fun_name_suffix}_count(&self) -> usize {{
+            pub fn {fun_name_suffix}_len(&self) -> usize {{
                 self.inner
                     .get_field({group_type}::FIELD_ID)
                     .and_then(|x| x.parse().ok())

quickfix-msg40/tests/test_usage.rs

@@ -99,31 +99,31 @@ fn test_build_list_status() -> Result<(), QuickFixError> {
 
     // Add some groups and check again string content
     // NB. We clearly see group content if final string + check sorter works correctly 😎.
-    assert_eq!(obj.get_no_orders_count(), 0);
+    assert_eq!(obj.no_orders_len(), 0);
 
     obj.add_no_orders(list_status::NoOrders::try_new(
         "Order:10000".to_string(),
         100,
         50,
         18.5,
     )?)?;
-    assert_eq!(obj.get_no_orders_count(), 1);
+    assert_eq!(obj.no_orders_len(), 1);
 
     obj.add_no_orders(list_status::NoOrders::try_new(
         "Order:10001".to_string(),
         89,
         75,
         987.4,
     )?)?;
-    assert_eq!(obj.get_no_orders_count(), 2);
+    assert_eq!(obj.no_orders_len(), 2);
 
     obj.add_no_orders(list_status::NoOrders::try_new(
         "Order:10018".to_string(),
         5,
         79,
         5.6,
     )?)?;
-    assert_eq!(obj.get_no_orders_count(), 3);
+    assert_eq!(obj.no_orders_len(), 3);
 
     assert_eq!(
         obj.to_fix_string(),
@@ -186,7 +186,7 @@ fn test_group_iterator() -> Result<(), QuickFixError> {
     )?)?;
 
     // Check we have inserted something
-    assert_eq!(obj.get_no_orders_count(), 3);
+    assert_eq!(obj.no_orders_len(), 3);
 
     // Iterate over group