wmlindent: use startswith()/endswith() support for tuples instead of …

…a for cycle

data/tools/wmlindent

@@ -69,10 +69,7 @@ opener_prefixes = ["{FOREACH "]
 
 def is_directive(str):
     "Identify things that shouldn't be indented."
-    for prefix in ("#ifdef", "#ifndef", "#ifhave", "#ifnhave", "#ifver", "#ifnver", "#else", "#endif", "#define", "#enddef", "#undef"):
-        if str.startswith(prefix):
-            return True
-    return False
+    return str.startswith(("#ifdef", "#ifndef", "#ifhave", "#ifnhave", "#ifver", "#ifnver", "#else", "#endif", "#define", "#enddef", "#undef"))
 
 def closer(str):
     "Are we looking at a closing tag?"
@@ -81,10 +78,7 @@ def closer(str):
     elif str.startswith("[/") or str.startswith(")"):
         return True
     else:
-        for prefix in closer_prefixes:
-            if str.startswith(prefix):
-                return True
-    return False
+        return str.startswith(tuple(closer_prefixes))
 
 def opener(str):
     "Are we looking at an opening tag?"
@@ -99,10 +93,7 @@ def opener(str):
     elif str.endswith("(\n") and '#' not in str:
         return True
     else:
-        for prefix in opener_prefixes:
-            if str.startswith(prefix):
-                return True
-    return False
+        return str.startswith(tuple(opener_prefixes))
 
 class bailout:
     def __init__(self, filename, lineno, msg):