From: Joe Wreschnig <joe.wreschnig@gmail.com>
Date: Sat, 24 Apr 2010 08:43:22 +0000 (-0700)
Subject: expr: Improve documentation.
X-Git-Url: https://git.yukkurigames.com/?p=python-bulletml.git;a=commitdiff_plain;h=62705a2613f321c698ba7194325a53d1dd0dc27a

expr: Improve documentation.
---

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)))