Remove unnecessary "this." in insert companion constructor

moor/example/example.g.dart

@@ -275,8 +275,8 @@ class RecipesCompanion extends UpdateCompanion<Recipe> {
     @required String title,
     @required String instructions,
     this.category = const Value.absent(),
-  })  : this.title = Value(title),
-        this.instructions = Value(instructions);
+  })  : title = Value(title),
+        instructions = Value(instructions);
   RecipesCompanion copyWith(
       {Value<int> id,
       Value<String> title,
@@ -497,8 +497,8 @@ class IngredientsCompanion extends UpdateCompanion<Ingredient> {
     this.id = const Value.absent(),
     @required String name,
     @required int caloriesPer100g,
-  })  : this.name = Value(name),
-        this.caloriesPer100g = Value(caloriesPer100g);
+  })  : name = Value(name),
+        caloriesPer100g = Value(caloriesPer100g);
   IngredientsCompanion copyWith(
       {Value<int> id, Value<String> name, Value<int> caloriesPer100g}) {
     return IngredientsCompanion(
@@ -709,9 +709,9 @@ class IngredientInRecipesCompanion extends UpdateCompanion<IngredientInRecipe> {
     @required int recipe,
     @required int ingredient,
     @required int amountInGrams,
-  })  : this.recipe = Value(recipe),
-        this.ingredient = Value(ingredient),
-        this.amountInGrams = Value(amountInGrams);
+  })  : recipe = Value(recipe),
+        ingredient = Value(ingredient),
+        amountInGrams = Value(amountInGrams);
   IngredientInRecipesCompanion copyWith(
       {Value<int> recipe, Value<int> ingredient, Value<int> amountInGrams}) {
     return IngredientInRecipesCompanion(

moor/test/data/tables/custom_tables.g.dart

@@ -65,7 +65,7 @@ class NoIdsCompanion extends UpdateCompanion<NoId> {
   });
   NoIdsCompanion.insert({
     @required Uint8List payload,
-  }) : this.payload = Value(payload);
+  }) : payload = Value(payload);
   NoIdsCompanion copyWith({Value<Uint8List> payload}) {
     return NoIdsCompanion(
       payload: payload ?? this.payload,
@@ -370,7 +370,7 @@ class WithConstraintsCompanion extends UpdateCompanion<WithConstraint> {
     this.a = const Value.absent(),
     @required int b,
     this.c = const Value.absent(),
-  }) : this.b = Value(b);
+  }) : b = Value(b);
   WithConstraintsCompanion copyWith(
       {Value<String> a, Value<int> b, Value<double> c}) {
     return WithConstraintsCompanion(
@@ -550,7 +550,7 @@ class ConfigCompanion extends UpdateCompanion<ConfigData> {
   ConfigCompanion.insert({
     @required String configKey,
     this.configValue = const Value.absent(),
-  }) : this.configKey = Value(configKey);
+  }) : configKey = Value(configKey);
   ConfigCompanion copyWith(
       {Value<String> configKey, Value<String> configValue}) {
     return ConfigCompanion(

moor/test/data/tables/todos.g.dart

@@ -139,7 +139,7 @@ class TodosTableCompanion extends UpdateCompanion<TodoEntry> {
     @required String content,
     this.targetDate = const Value.absent(),
     this.category = const Value.absent(),
-  }) : this.content = Value(content);
+  }) : content = Value(content);
   TodosTableCompanion copyWith(
       {Value<int> id,
       Value<String> title,
@@ -368,7 +368,7 @@ class CategoriesCompanion extends UpdateCompanion<Category> {
   CategoriesCompanion.insert({
     this.id = const Value.absent(),
     @required String description,
-  }) : this.description = Value(description);
+  }) : description = Value(description);
   CategoriesCompanion copyWith({Value<int> id, Value<String> description}) {
     return CategoriesCompanion(
       id: id ?? this.id,
@@ -586,8 +586,8 @@ class UsersCompanion extends UpdateCompanion<User> {
     this.isAwesome = const Value.absent(),
     @required Uint8List profilePicture,
     this.creationTime = const Value.absent(),
-  })  : this.name = Value(name),
-        this.profilePicture = Value(profilePicture);
+  })  : name = Value(name),
+        profilePicture = Value(profilePicture);
   UsersCompanion copyWith(
       {Value<int> id,
       Value<String> name,
@@ -814,8 +814,8 @@ class SharedTodosCompanion extends UpdateCompanion<SharedTodo> {
   SharedTodosCompanion.insert({
     @required int todo,
     @required int user,
-  })  : this.todo = Value(todo),
-        this.user = Value(user);
+  })  : todo = Value(todo),
+        user = Value(user);
   SharedTodosCompanion copyWith({Value<int> todo, Value<int> user}) {
     return SharedTodosCompanion(
       todo: todo ?? this.todo,
@@ -1006,9 +1006,9 @@ class TableWithoutPKCompanion extends UpdateCompanion<TableWithoutPKData> {
     @required int notReallyAnId,
     @required double someFloat,
     @required MyCustomObject custom,
-  })  : this.notReallyAnId = Value(notReallyAnId),
-        this.someFloat = Value(someFloat),
-        this.custom = Value(custom);
+  })  : notReallyAnId = Value(notReallyAnId),
+        someFloat = Value(someFloat),
+        custom = Value(custom);
   TableWithoutPKCompanion copyWith(
       {Value<int> notReallyAnId,
       Value<double> someFloat,

moor_generator/lib/src/writer/update_companion_writer.dart

@@ -50,7 +50,8 @@ class UpdateCompanionWriter {
     // .insert({
     //    @required String a,
     //    this.b = const Value.absent(),
-    //    @required String b}): this.a = Value(a), this.b = Value(b);
+    //    @required String b}): a = Value(a), b = Value(b);
+    // We don't need to use this. for the initializers, Dart figures that out.
 
     for (var column in table.columns) {
       final param = column.dartGetterName;
@@ -75,7 +76,7 @@ class UpdateCompanionWriter {
       }
 
       final param = required.dartGetterName;
-      buffer.write('this.$param = Value($param)');
+      buffer.write('$param = Value($param)');
     }
 
     buffer.write(';\n');