Re: Novice trouble with generator.el

[John Mastro]

> When I try to execute 
> 
> iter-defun iterator-of-directory-files (directory &optional full match nosort 
> recurse)
> 
> it gives me the following error:
> 
> Assertion failed: lexical-binding
> 
> What gives?  Note that I am using Emacs 24.3.1.
> 
> Do I have to execute Emacs 25.x.y?

Put a comment like this as the very first line of the file:

;;; lexical-binding: t

Lexical binding is optional in Emacs but generator.el requires it. 

-- 
john