Edit constructor page

examples/misc/lib/language_tour/classes/employee.dart

@@ -4,11 +4,11 @@ Map fetchDefaultData() => {}; // stub
 
 // #docregion super
 class Person {
-  String? firstName;
-
   Person.fromJson(Map data) {
     print('in Person');
   }
+
+  String? firstName;
 }
 
 // #docregion method-then-constructor

examples/misc/lib/language_tour/classes/immutable_point.dart

@@ -1,7 +1,7 @@
 class ImmutablePoint {
   static const ImmutablePoint origin = ImmutablePoint(0, 0);
 
-  final double x, y;
-
   const ImmutablePoint(this.x, this.y);
+
+  final double x, y;
 }

examples/misc/lib/language_tour/classes/logger.dart

@@ -1,5 +1,7 @@
 // #docregion constructors
 class Logger {
+  Logger._internal(this.name);
+
   final String name;
   bool mute = false;
 
@@ -15,8 +17,6 @@ class Logger {
     return Logger(json['name'].toString());
   }
 
-  Logger._internal(this.name);
-
   void log(String msg) {
     if (!mute) print(msg);
   }

examples/misc/lib/language_tour/classes/point.dart

@@ -8,11 +8,6 @@ const double yOrigin = 0;
 
 // #docregion class-with-distance-to, constructor-initializer
 class Point {
-  final double x;
-  final double y;
-
-  // Sets the x and y instance variables
-  // before the constructor body runs.
   // #docregion class-with-distance-to, named-constructor
   Point(this.x, this.y);
   // #enddocregion class-with-distance-to, constructor-initializer
@@ -24,6 +19,11 @@ class Point {
         y = yOrigin;
   // #enddocregion named-constructor
 
+  // Sets the x and y instance variables
+  // before the constructor body runs.
+  final double x;
+  final double y;
+
   // Initializer list sets instance variables before
   // the constructor body runs.
   Point.fromJson(Map<String, double> json)

examples/misc/lib/language_tour/classes/point_alt.dart

@@ -6,11 +6,11 @@
 ///
 // #docregion idiomatic-constructor
 class Point {
-  double x = 0;
-  double y = 0;
-
   // Generative constructor with initializing formal parameters:
   Point(this.x, this.y);
+
+  double x = 0;
+  double y = 0;
   // #enddocregion idiomatic-constructor
 
   // #docregion initializer-list

examples/misc/lib/language_tour/classes/point_redirecting.dart

@@ -1,9 +1,9 @@
 class Point {
-  double x, y;
-
   // The main constructor for this class.
   Point(this.x, this.y);
 
+  double x, y;
+
   // Delegates to the main constructor.
   Point.alongXAxis(double x) : this(x, 0);
 }

examples/misc/lib/language_tour/classes/point_with_distance_field.dart

@@ -2,14 +2,11 @@
 import 'dart:math';
 
 class Point {
+  Point(this.x, this.y) : distanceFromOrigin = sqrt(x * x + y * y);
+
   final double x;
   final double y;
   final double distanceFromOrigin;
-
-  Point(double x, double y)
-      : x = x,
-        y = y,
-        distanceFromOrigin = sqrt(x * x + y * y);
 }
 
 void main() {

examples/misc/lib/language_tour/classes/super_initializer_parameters.dart

@@ -5,10 +5,10 @@ class Vector2d {
 
   // #enddocregion named
   // #docregion positional
+  Vector2d(this.x, this.y);
+
   final double x;
   final double y;
-
-  Vector2d(this.x, this.y);
   // #enddocregion positional
 
   // #docregion named