From: Lennart Borgman <lennart.borgman@gmail.com>
To: Andreas Schwab <schwab@linux-m68k.org>
Cc: Emacs-Devel devel <emacs-devel@gnu.org>
Subject: Re: What does byte-compile a variable containing a lambda do?
Date: Wed, 3 Jun 2009 11:28:07 +0200 [thread overview]
Message-ID: <e01d8a50906030228p2dc1c2ddvc0a800d570c767ce@mail.gmail.com> (raw)
In-Reply-To: <m2skih6701.fsf@igel.home>
On Wed, Jun 3, 2009 at 10:45 AM, Andreas Schwab <schwab@linux-m68k.org> wrote:
> Lennart Borgman <lennart.borgman@gmail.com> writes:
>
>> The help text for byte-compile says
>>
>> byte-compile is a compiled Lisp function in `bytecomp.el'.
>>
>> (byte-compile form)
>>
>> If form is a symbol, byte-compile its function definition.
>> If form is a lambda or a macro, byte-compile it as a function.
>>
>> I do not understand the last sentence. What happens? If a variable
>> contains a lambda and you do
>>
>> (byte-compile VAR-WITH-LAMBDA)
>
> Since byte-compile is a regular function, it can only see the value it
> gets passed. So unless you pass it a symbol (first case) it can only
> return the byte compiled form without side effect.
Yes, but in the first case in the doc string it byte compiles the
function definition "in place". In the second case I think it should
say that it returns the byte compiled function, or?
prev parent reply other threads:[~2009-06-03 9:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-03 2:00 What does byte-compile a variable containing a lambda do? Lennart Borgman
2009-06-03 8:45 ` Andreas Schwab
2009-06-03 9:28 ` Lennart Borgman [this message]
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