Enable support for types' properties

smnp/library/function/combine.py

@@ -3,7 +3,6 @@ from functools import reduce
 from smnp.library.model import Function
 from smnp.library.signature import varargSignature, ofTypes
 from smnp.type.model import Type
-from smnp.type.value import Value
 
 _signature = varargSignature(ofTypes(Type.LIST))
 def _function(env, vararg):
@@ -11,7 +10,7 @@ def _function(env, vararg):
         return vararg[0]
 
     combined = reduce(lambda x, y: x.value + y.value, vararg)
-    return Value(Type.LIST, combined)
+    return Type.list(combined)
 
 
 function = Function(_signature, _function, 'combine')