# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1491674125 -7200
# Node ID 7f3f57fdc053945ec70c82dc191551ca447f6e0f
# Parent  154d95f9de554d96fe2957b84b98205f1f4a41c1
Added the bin built-in function.

diff -r 154d95f9de55 -r 7f3f57fdc053 lib/__builtins__/__init__.py
--- a/lib/__builtins__/__init__.py	Tue Apr 04 00:28:08 2017 +0200
+++ b/lib/__builtins__/__init__.py	Sat Apr 08 19:55:25 2017 +0200
@@ -74,7 +74,7 @@
 # Functions.
 
 from __builtins__.attribute import getattr, hasattr, setattr
-from __builtins__.character import chr, hex, oct, ord, unichr
+from __builtins__.character import bin, chr, hex, oct, ord, unichr
 from __builtins__.comparable import cmp, hash
 from __builtins__.identity import callable, id, isinstance, issubclass, repr
 from __builtins__.io import open, raw_input, print_
diff -r 154d95f9de55 -r 7f3f57fdc053 lib/__builtins__/character.py
--- a/lib/__builtins__/character.py	Tue Apr 04 00:28:08 2017 +0200
+++ b/lib/__builtins__/character.py	Sat Apr 08 19:55:25 2017 +0200
@@ -63,6 +63,15 @@
 
     return "".join(reversed(digits))
 
+def bin(number, prefix="0b"):
+
+    """
+    Return 'number' encoded as a binary (base 2) value, prefixed with 'prefix'
+    ("0b" by default).
+    """
+
+    return _base(number, 2, prefix)
+
 def hex(number, prefix="0x"):
 
     """