# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1480436754 -3600
# Node ID 661a64c3c23729f5ca867ace14b253a1c1069f1e
# Parent  a2cb05a2a44b089f6e52cbefb6e1bad88f07669c
Fixed "in" and "not in" operator parameter usage.
Removed a reminder comment that should be placed elsewhere.

diff -r a2cb05a2a44b -r 661a64c3c237 lib/operator/binary.py
--- a/lib/operator/binary.py	Tue Nov 29 16:43:58 2016 +0100
+++ b/lib/operator/binary.py	Tue Nov 29 17:25:54 2016 +0100
@@ -25,9 +25,6 @@
 # lambda functions. Thus, the appropriate methods are defined locally, but no
 # attempt to obtain them is made until the generic function is called.
 
-# NOTE: The compiler should make it possible for the following functions to call
-# NOTE: the generic operator implementations with no additional call overhead.
-
 # Binary operator functions.
 
 def add(a, b):
@@ -46,10 +43,10 @@
     return binary_op(a, b, lambda a: a.__floordiv__, lambda b: b.__rfloordiv__)
 
 def in_(a, b):
-    return a.__contains__(b)
+    return b.__contains__(a)
 
 def not_in(a, b):
-    return not a.__contains__(b)
+    return not b.__contains__(a)
 
 def lshift(a, b):
     return binary_op(a, b, lambda a: a.__lshift__, lambda b: b.__rlshift__)