diff --git a/src/builder_context/filter_types_map.rs b/src/builder_context/filter_types_map.rs
index c5b00dcf..2282e513 100644
--- a/src/builder_context/filter_types_map.rs
+++ b/src/builder_context/filter_types_map.rs
@@ -180,7 +180,7 @@ impl FilterTypesMapHelper {
             .context
             .filter_types
             .overwrites
-            .get(&format!("{}.{}", entity_name, column_name))
+            .get(&format!("{entity_name}.{column_name}"))
         {
             return ty.clone();
         }
@@ -426,7 +426,7 @@ impl FilterTypesMapHelper {
                         .context
                         .filter_types
                         .condition_functions
-                        .get(&format!("{}.{}", entity_name, column_name))
+                        .get(&format!("{entity_name}.{column_name}"))
                     {
                         return filter_condition_fn(condition, filter);
                     } else {
diff --git a/src/builder_context/types_map.rs b/src/builder_context/types_map.rs
index 6397486a..fdc61ce2 100644
--- a/src/builder_context/types_map.rs
+++ b/src/builder_context/types_map.rs
@@ -77,7 +77,7 @@ impl TypesMapHelper {
         column_type: &ColumnType,
     ) -> ConvertedType {
         let context = self.context;
-        let name = format!("{}.{}", entity_name, column_name);
+        let name = format!("{entity_name}.{column_name}");
 
         if let Some(overwrite) = context.types.overwrites.get(&name) {
             return overwrite.clone();
@@ -195,10 +195,7 @@ impl TypesMapHelper {
             ColumnType::MacAddr => ConvertedType::String,
             // #[cfg(feature = "with-mac_address")]
             // ColumnType::MacAddr => ConvertedType::MacAddress,
-            _ => panic!(
-                "Type mapping is not implemented for '{}.{}'",
-                entity_name, column_name
-            ),
+            _ => panic!("Type mapping is not implemented for '{entity_name}.{column_name}'"),
         }
     }
 
@@ -222,7 +219,7 @@ impl TypesMapHelper {
             .context
             .types
             .input_conversions
-            .get(&format!("{}.{}", entity_name, column_name))
+            .get(&format!("{entity_name}.{column_name}"))
         {
             return parser.as_ref()(value);
         }
diff --git a/src/inputs/filter_input.rs b/src/inputs/filter_input.rs
index e543831c..d591e3c3 100644
--- a/src/inputs/filter_input.rs
+++ b/src/inputs/filter_input.rs
@@ -13,7 +13,7 @@ impl std::default::Default for FilterInputConfig {
     fn default() -> Self {
         FilterInputConfig {
             type_name: Box::new(|object_name: &str| -> String {
-                format!("{}FilterInput", object_name)
+                format!("{object_name}FilterInput")
             }),
         }
     }
diff --git a/src/inputs/order_input.rs b/src/inputs/order_input.rs
index 51382d16..f1bfeb69 100644
--- a/src/inputs/order_input.rs
+++ b/src/inputs/order_input.rs
@@ -13,7 +13,7 @@ impl std::default::Default for OrderInputConfig {
     fn default() -> Self {
         OrderInputConfig {
             type_name: Box::new(|object_name: &str| -> String {
-                format!("{}OrderInput", object_name)
+                format!("{object_name}OrderInput")
             }),
         }
     }
diff --git a/src/outputs/connection_object.rs b/src/outputs/connection_object.rs
index a01b16de..e894fa6b 100644
--- a/src/outputs/connection_object.rs
+++ b/src/outputs/connection_object.rs
@@ -40,7 +40,7 @@ impl std::default::Default for ConnectionObjectConfig {
     fn default() -> Self {
         ConnectionObjectConfig {
             type_name: Box::new(|object_name: &str| -> String {
-                format!("{}Connection", object_name)
+                format!("{object_name}Connection")
             }),
             page_info: "pageInfo".into(),
             pagination_info: "paginationInfo".into(),
diff --git a/src/outputs/edge_object.rs b/src/outputs/edge_object.rs
index 358ac749..459637a7 100644
--- a/src/outputs/edge_object.rs
+++ b/src/outputs/edge_object.rs
@@ -30,7 +30,7 @@ pub struct EdgeObjectConfig {
 impl std::default::Default for EdgeObjectConfig {
     fn default() -> EdgeObjectConfig {
         EdgeObjectConfig {
-            type_name: Box::new(|object_name: &str| -> String { format!("{}Edge", object_name) }),
+            type_name: Box::new(|object_name: &str| -> String { format!("{object_name}Edge") }),
             cursor: "cursor".into(),
             node: "node".into(),
         }
diff --git a/src/outputs/entity_object.rs b/src/outputs/entity_object.rs
index 96509f25..fbc3789f 100644
--- a/src/outputs/entity_object.rs
+++ b/src/outputs/entity_object.rs
@@ -139,7 +139,7 @@ impl EntityObjectBuilder {
                 .context
                 .types
                 .output_conversions
-                .get(&format!("{}.{}", entity_name, column_name));
+                .get(&format!("{entity_name}.{column_name}"));
 
             let field = Field::new(column_name, graphql_type, move |ctx| {
                 let guard_flag = if let Some(guard) = guard {