X-Git-Url: https://git.yukkurigames.com/?p=python-bulletml.git;a=blobdiff_plain;f=bulletml%2Fexpr.py;fp=bulletml%2Fexpr.py;h=385b31b5ab1d8fc1122d1f903f076a938876ba69;hp=a00c99eefa4c27f1b9f14d9751d5784f491e5135;hb=62705a2613f321c698ba7194325a53d1dd0dc27a;hpb=4c11ea4b779470d67cad2f6a060a51424625cff9

diff --git a/bulletml/expr.py b/bulletml/expr.py
index a00c99e..385b31b 100644
--- a/bulletml/expr.py
+++ b/bulletml/expr.py
@@ -11,6 +11,8 @@ import re
 
 from bulletml.errors import Error
 
+__all__ = ["ExprError", "NumberDef", "INumberDef"]
+
 class ExprError(Error):
     """Raised when an invalid expression is evaluated/compiled."""
     pass
@@ -19,7 +21,6 @@ class NumberDef(object):
     """BulletML numeric expression.
 
     This translates BulletML numeric expressions into Python expressions.
-    The 
 
     Examples:
     35
@@ -75,6 +76,7 @@ class INumberDef(NumberDef):
             self._value = int(round(self._value))
 
     def __call__(self, params, rank):
+        # Avoid int(round(__call__())) overhead for constants.
         if self._value is not None:
             return self._value
         return int(round(super(INumberDef, self).__call__(params, rank)))