More simplifications.

advise.js

@@ -75,7 +75,7 @@
 			return f;
 		}
 
-		return function advise(instance, name, advice){
+		function advise(instance, name, advice){
 			var f = instance[name], a;
 			if(f && f.adviceNode && f.adviceNode instanceof Node){
 				a = f.adviceNode;
@@ -89,9 +89,14 @@
 				}
 				instance[name] = makeAOPStub(a);
 			}
-			if(advice instanceof Function){ advice = advice(instance, name); }
-			return a.a(advice.before, advice.after, 0, advice.around);
-		};
+			if(advice instanceof Function){ advice = advice(name, instance); }
+			return a.a(advice.before || advice.b, advice.after || advice.a, 0, advice.around || advice.f);
+		}
+
+		//advise.before = function(instance, name, f){ return advise(instance, name, {before: f}); };
+		//advise.after  = function(instance, name, f){ return advise(instance, name, {after: f}); };
+
+		return advise;
 	});
 })(typeof define != "undefined" ? define : function(_, f){
 	if(typeof module != "undefined"){

dcl-mini.js

@@ -93,7 +93,7 @@
 			// put in place all decorations and return a constructor
 			ctor._meta  = o;
 			ctor[pname] = proto;
-			proto.constructor = ctor;
+			//proto.constructor = ctor; // uncomment if constructor is not named "constructor"
 			bases[0] = ctor;
 
 			return ctor;

dcl.js

@@ -13,6 +13,10 @@
 				this.f = this.f.around;
 			}
 		});
+		dcl.advise = function(f){
+			if(f instanceof Function){ f = advice(name); }
+			return new Advice(f);
+		}
 
 		function stub(id, bases, name){
 			var i = bases.length - 1, b = [], a = [], f;
@@ -88,8 +92,6 @@
 
 		dcl._setStubs(mixChains, buildStubs);
 
-		dcl.advise = function(f){ return new Advice(f); }
-
 		function chain(id){
 			return function(ctor, name){
 				var m = ctor._meta;
@@ -106,7 +108,7 @@
 		dcl.chainAfter = chain(2);
 
 		dcl.isInstanceOf = function(o, ctor){
-			return o instanceof ctor || (o.constructor._meta && o.constructor._meta.bases.indexOf(ctor) >= 0);
+			return o instanceof ctor || o.constructor._meta && o.constructor._meta.bases.indexOf(ctor) > 0;
 		};
 
 		return dcl;