fix: compute arguments to >> in correct order.

trans/javascript.str

@@ -8,7 +8,10 @@ signature
 rules
   js: TopLevel(x) -> $[const Stdio = {
     receives: v => { process.stdout.write(String(v)); return Stdio; },
-    forwards: v => { process.stdout.write(String(v)); return v; }
+  }
+  function forwards(data, strm) {
+    strm.receives(data);
+    return data;
   }
   [x]]
 
@@ -16,7 +19,7 @@ rules
   js: Int(x) -> x
   js: Sum(x) -> $[[x].reduce((v,w) => v+w)]
   js: Receives(x, y) -> $[[x].receives([y])]
-  js: Enters(x, y) -> $[[y].forwards([x])]
+  js: Enters(x, y) -> $[forwards([x],[y])]
 
   jslist: x -> $<[<<join(|", ")>x>]>
 

trans/python.str

@@ -12,9 +12,9 @@ rules
     def receives(self, v):
       print(v, file=sys.stdout, end='')
       return self
-    def forwards(self, v):
-      self.receives(v)
-      return v
+  def forwards(data,strm):
+    strm.receives(data)
+    return data
   Stdio = StdioC()
   [x]]
 
@@ -22,7 +22,7 @@ rules
   py: Int(x) -> x
   py: Sum(x) -> $[sum([x])]
   py: Receives(x, y) -> $[[x].receives([y])]
-  py: Enters(x, y) -> $[[y].forwards([x])]
+  py: Enters(x, y) -> $[forwards([x],[y])]
 
   pylist: x -> $<[<<join(|", ")>x>]>