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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Tue, 26 Feb 2013 09:50:19 -0700
Subject: Re: yield expression
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Xref: csiph.com comp.lang.python:39969

On Tue, Feb 26, 2013 at 9:34 AM, Colin J. Williams <cjw@ncf.ca> wrote:
> Perhaps it's becaoue (teild count) is a statement.  Statements do not return
> a value.

yield is a bit of an odd duck in that it's both a statement and an
expression.  Compare:

http://docs.python.org/3/reference/simple_stmts.html#the-yield-statement

http://docs.python.org/3/reference/expressions.html#yieldexpr