implementing instance initializers

samples/ch28_initializers.lox

@@ -0,0 +1,14 @@
+class CoffeeMaker {
+    init(coffee) {
+        this.coffee = coffee;
+    }
+    brew() {
+        print "Enjoy your cup of " + this.coffee;
+        // No reusing the grounds!
+        this.coffee = nil;
+    }
+}
+
+var maker = CoffeeMaker("coffee and chicory");
+print maker;
+maker.brew();

samples/ch28_methods_again.lox

@@ -0,0 +1,12 @@
+class Brunch {
+    bacon() {
+        print "calling bacon()";
+    }
+    eggs() {
+        print "calling eggs()";
+    }
+}
+
+var brunch = Brunch();
+print brunch;
+brunch.bacon();

samples/ch28_methods_initializers.lox

@@ -1,8 +1,4 @@
 class Brunch {
-    bacon() {}
-    eggs() {}
+    init(food, drink) {}
 }
-
-var brunch = Brunch();
-print brunch;
-brunch.bacon();
+Brunch("eggs", "coffee");

samples/ch8_initalizers.lox

@@ -0,0 +1,17 @@
+class Brunch {
+    var food;
+    var drink;
+
+    init(food, drink) {
+        this.food = food;
+        this.drink = drink;
+    }
+
+    fun get_recipe() {
+        return this.food + " " + this.drink;
+    }
+}
+
+var instance = Brunch("eggs", "coffee");
+print instance;
+print instance.get_recipe();