improvements for 'bind', fixes #166

tests/run/tstempl.nim

@@ -0,0 +1,24 @@
+discard """
+  output: '''global = levB, arg = levA, test = false
+levB'''
+"""
+
+# tstempl.nim
+import strutils
+
+type 
+  TLev = enum
+    levA,
+    levB
+
+var abclev = levB
+
+template tstLev(abclev: TLev) =
+  bind tstempl.abclev, `%`
+  writeln(stdout, "global = $1, arg = $2, test = $3" % [
+    $tstempl.abclev, $abclev, $(tstempl.abclev == abclev)])
+  # evaluates to true, but must be false
+
+
+tstLev(levA)
+writeln(stdout, $abclev)