wip:

Add type system and refator for having only epression

examples/test_closure.lox

@@ -1,12 +1,12 @@
 
-closure :: fn() do
+closure :: fn(): Any do
     value := "Closure";
-    internal :: fn() do
+    internal :: fn(): String do
         print value;
         return value;
-    end
+    end;
     return internal;
-end
+end;
 
 internal := closure();
 internal();
@@ -17,9 +17,9 @@ c := b;
 c = b = a;
 d := c = b = a;
 do
-    showA :: fn() do
+    showA :: fn(): Nil do
         print a;
-    end
+    end;
 
     showA();
     a := "Local";

examples/test_example.lox

@@ -4,7 +4,7 @@
 //     address: String,
 // }
 //func_name :: fn(param: Number, param2: String) {param is Int}  do
-func_name :: fn(param: Int, param2: String) do
+func_name :: fn(param: Int, param2: String): Any do
     print param;
     print param2;
     while param < param2 do
@@ -26,6 +26,6 @@ func_name :: fn(param: Int, param2: String) do
     end
 
     return False or True;
-end
+end;
 
-func_name(1,20)
+func_name(1,20);

examples/test_function_call.lox

@@ -1,30 +1,30 @@
 
-function :: fn() do
+function :: fn(): Nil do
     print "Function";
-end
+end;
 
 
-function_factory :: fn() do
+function_factory :: fn(): Any do
     print "Function Factory";
-    function
-end
+    function;
+end;
 
-function_fatcoty_factory :: fn() do
+function_fatcoty_factory :: fn(): Any do
     print "Function Factory Factory";
     return function_factory;
-end
+end;
 
 //function();
 //function_factory()();
 //function_fatcoty_factory()()();
-clock()
+clock();
 
-closure :: fn() do
-    value = "Closure";
-    internal :: fn() do
+closure :: fn(): Any do
+    value := "Closure";
+    internal :: fn(): Nil do
         print value;
-    end
+    end;
     return internal;
-end
+end;
 
-closure()
+closure();