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From: Drew Adams <drew.adams@oracle.com>
To: Shiyao Ma <i@introo.me>, help-gnu-emacs@gnu.org
Subject: RE: noob question on cl-flet.
Date: Wed, 20 Apr 2016 08:50:33 -0700 (PDT)	[thread overview]
Message-ID: <5d30fc0b-52bf-4cde-baba-2e2235e7c197@default> (raw)
In-Reply-To: <CAJQX3DyLvfZhEfWay4LXouzmfKrUBvgLz0csR=g6Yk0dDWpuDg@mail.gmail.com>

> (cl-flet ((myfunc nil
>                   (message "i am in")))
>   (myfunc)
>   (princ (symbol-function 'myfunc)))
> 
> Why symbol-function gives nil? My expectation is the function.

It returns nil because the symbol `myfunc' has an undefined function slot - it is not defined as a global function.

The binding created by `cl-flet' is not a binding of a Lisp (global) symbol.  It is a local (let-like) lexical binding.



  reply	other threads:[~2016-04-20 15:50 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-20 14:50 noob question on cl-flet Shiyao Ma
2016-04-20 15:50 ` Drew Adams [this message]
2016-04-20 16:08   ` Michael Heerdegen

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