Merge: typing: new warning `useless-truism` to catch trainees.

[nit.git] / src / model / model.nit

diff --git a/src/model/model.nit b/src/model/model.nit
index 70edaec..935b201 100644 (file)
--- a/src/model/model.nit
+++ b/src/model/model.nit
@@ -1975,16 +1975,34 @@ class MSignature
                var b = new FlatBuffer
                if not mparameters.is_empty then
                        b.append("(")
+                       var last_mtype = null
                        for i in [0..mparameters.length[ do
                                var mparameter = mparameters[i]
+
+                               # Group types that are common to contiguous parameters
+                               if mparameter.mtype != last_mtype and last_mtype != null then
+                                       b.append(": ")
+                                       b.append(last_mtype.to_s)
+                               end
+
                                if i > 0 then b.append(", ")
                                b.append(mparameter.name)
-                               b.append(": ")
-                               b.append(mparameter.mtype.to_s)
+
                                if mparameter.is_vararg then
+                                       b.append(": ")
+                                       b.append(mparameter.mtype.to_s)
                                        b.append("...")
+                                       last_mtype = null
+                               else
+                                       last_mtype = mparameter.mtype
                                end
                        end
+
+                       if last_mtype != null then
+                               b.append(": ")
+                               b.append(last_mtype.to_s)
+                       end
+
                        b.append(")")
                end
                var ret = self.return_mtype