[Python-Dev] cpython: we can call singleton types now

[Georg Brandl]

On 07/30/11 17:03, benjamin.peterson wrote:
> http://hg.python.org/cpython/rev/4a07b772f0e0
> changeset:   71639:4a07b772f0e0
> user:        Benjamin Peterson <benjamin at python.org>
> date:        Sat Jul 30 10:03:09 2011 -0500
> summary:
>   we can call singleton types now
> 
> files:
>   Doc/library/stdtypes.rst |  8 +++++---
>   1 files changed, 5 insertions(+), 3 deletions(-)
> 
> 
> diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
> --- a/Doc/library/stdtypes.rst
> +++ b/Doc/library/stdtypes.rst
> @@ -2706,7 +2706,7 @@
>  
>  This object is returned by functions that don't explicitly return a value.  It
>  supports no special operations.  There is exactly one null object, named
> -``None`` (a built-in name).
> +``None`` (a built-in name).  Calling ``type(None)`` produces the same singleton.

I know this is technically correct, but it will look like you mean "calling
type with None as argument" (same for the other singletons).

Probably better to say something like "``type(None)()`` produces ...".

Georg