September Morn Update

Task/Queue-Definition/Elena/queue-definition.elena

@@ -1,62 +1,63 @@
-import extensions.
+import extensions;
 
-template queue :: type
+template queue<T>
 {
-    array<type> theArray.
-    int         theTop.
-    int         theTale.
+    T[]  theArray;
+    int  theTop;
+    int  theTale;
 
-    explicit
-    [
-        theArray := type<>(8).
-        theTop := 0.
-        theTale := 0.
-    ]
+    constructor()
+    {
+        theArray := new T[](8);
+        theTop := 0;
+        theTale := 0;
+    }
 
-    bool empty
-        = theTop == theTale.
+    bool empty()
+        = theTop == theTale;
 
-    push type:anObject
-    [
-        if (theTale > theArray length)
-        [
-            theArray := theArray reallocate(theTale).
-        ].
+    push(T object)
+    {
+        if (theTale > theArray.Length)
+        {
+            theArray := theArray.reallocate(theTale)
+        };
 
-        theArray[theTale] := anObject.
+        theArray[theTale] := object;
 
-        theTale += 1.
-    ]
+        theTale += 1
+    }
 
-    type pop
-    [
+    T pop()
+    {
         if (theTale == theTop)
-            [ InvalidOperationException new:"Queue is empty"; raise ].
+            { InvalidOperationException.new:"Queue is empty".raise() };
 
-        type item := theArray[theTop].
+        T item := theArray[theTop];
 
-        theTop += 1.
+        theTop += 1;
 
         ^ item
-    ]
+    }
 }
 
-program =
-[
-    queue<int> q := queue<int>().
-    q push(1).
-    q push(2).
-    q push(3).
-    console printLine(q pop).
-    console printLine(q pop).
-    console printLine(q pop).
-    console printLine("a queue is ", q empty; iif("empty","not empty")).
-    console print("Trying to pop:").
-    try(q pop)
+public program()
+{
+    queue<int> q := new queue<int>();
+    q.push(1);
+    q.push(2);
+    q.push(3);
+    console.printLine(q.pop());
+    console.printLine(q.pop());
+    console.printLine(q.pop());
+    console.printLine("a queue is ", q.empty().iif("empty","not empty"));
+    console.print("Trying to pop:");
+    try
     {
-        on(Exception e)
-        [
-            console printLine(e message)
-        ]
+        q.pop()
     }
-].
+    catch(Exception e)
+    {
+        console.printLine(e.Message)
+    }
+}