X-Git-Url: https://git.madduck.net/etc/taskwarrior.git/blobdiff_plain/4f1686540934a69cd3b65e54f8921b97b1102b09..3adcc3e2236cb92b6e2cb80a7cc28fb9c6803e31:/tasklib/lazy.py

diff --git a/tasklib/lazy.py b/tasklib/lazy.py
index d294341..527a995 100644
--- a/tasklib/lazy.py
+++ b/tasklib/lazy.py
@@ -49,6 +49,14 @@ class LazyUUIDTask(object):
         """
         return True
 
+    @property
+    def _modified_fields(self):
+        return set()
+
+    @property
+    def modified(self):
+        return False
+
     def replace(self):
         """
         Performs conversion to the regular Task object, referenced by the
@@ -132,6 +140,15 @@ class LazyUUIDTaskSet(object):
     def __rxor__(self, other):
         return self.symmetric_difference(other)
 
+    def __and__(self, other):
+        return self.intersection(other)
+
+    def __iand__(self, other):
+        return self.intersection_update(other)
+
+    def __rand__(self, other):
+        return self.intersection(other)
+
     def __le__(self, other):
         return self.issubset(other)