X-Git-Url: http://nitlanguage.org

diff --git a/src/model_utils.nit b/src/model_utils.nit
index f184eec..9297793 100644
--- a/src/model_utils.nit
+++ b/src/model_utils.nit
@@ -417,8 +417,8 @@ redef class MClass
 	# Get the list of all parameter types in 'self'.
 	fun parameter_types: Map[String, MType] do
 		var res = new HashMap[String, MType]
-		for i in [0..intro.parameter_names.length[ do
-			res[intro.parameter_names[i]] = intro.bound_mtype.arguments[i]
+		for p in mparameters do
+			res[p.name] = p
 		end
 		return res
 	end
@@ -525,9 +525,9 @@ end
 
 # Sort mentities by their name
 class MEntityNameSorter
-	super AbstractSorter[MEntity]
+	super Comparator
+	redef type COMPARED: MEntity
 	redef fun compare(a, b) do return a.name <=> b.name
-	init do end
 end
 
 # Sort MConcerns based on the module importation hierarchy ranking
@@ -540,9 +540,8 @@ end
 # If both `a` and `b` have the same ranking,
 # ordering is based on lexicographic comparison of `a.name` and `b.name`
 class MConcernRankSorter
-	super AbstractSorter[MConcern]
-
-	init do end
+	super Comparator
+	redef type COMPARED: MConcern
 
 	redef fun compare(a, b) do
 		if a.concern_rank == b.concern_rank then