Removed call() function.

pystache/renderengine.py

@@ -17,13 +17,11 @@ DEFAULT_TAG_CLOSING = '}}'
 END_OF_LINE_CHARACTERS = ['\r', '\n']
 
 
-def call(val, context):
+def render_parse_tree(parse_tree, context):
     """
     Returns: a string of type unicode.
 
-    Arguments:
-
-      val: the argument val can be any of the following:
+    The elements of parse_tree can be any of the following:
 
      * a unicode string
      * the return value of a call to any of the following:
@@ -45,19 +43,8 @@ def call(val, context):
             Returns: unicode
 
     """
-    if callable(val):
-        val = val(context)
-
-    return val
-
-
-def render_parse_tree(parse_tree, context):
-    """
-    Returns: a string of type unicode.
-
-    """
-    get_string = lambda val: call(val, context)
-    parts = map(get_string, parse_tree)
+    get_unicode = lambda val: val(context) if callable(val) else val
+    parts = map(get_unicode, parse_tree)
     s = ''.join(parts)
 
     return unicode(s)