From 34e62aaade1a34ca273e8190c6f5fbaff8591346 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Tue, 2 Feb 2016 17:57:27 +0100
Subject: [PATCH] Implement {and,or}_not() variants

---
 libimagentryfilter/src/filter.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/libimagentryfilter/src/filter.rs b/libimagentryfilter/src/filter.rs
index dd8128e4..2d0015a1 100644
--- a/libimagentryfilter/src/filter.rs
+++ b/libimagentryfilter/src/filter.rs
@@ -20,6 +20,12 @@ pub trait Filter {
         Or::new(Box::new(self), other)
     }
 
+    fn or_not(self, other: Box<Filter>) -> Or
+        where Self: Sized + 'static
+    {
+        self.or(Box::new(Not::new(other)))
+    }
+
     fn or3(self, other: Box<Filter>, other2: Box<Filter>) -> Or
         where Self: Sized + 'static
     {
@@ -38,5 +44,11 @@ pub trait Filter {
         And::new(Box::new(self), Box::new(And::new(other, other2)))
     }
 
+    fn and_not(self, other: Box<Filter>) -> And
+        where Self: Sized + 'static
+    {
+        self.and(Box::new(Not::new(other)))
+    }
+
 }