Subject: Re: [patch] simplify-compact initial data extraction from plist
Date: Sat, 27 Jun 2020 18:49:41 +0200 [thread overview]
Message-ID: <20200627164941.GB5848@tuxteam.de> (raw)
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On Sat, Jun 27, 2020 at 10:18:21AM -0500, Mario Frasca wrote:
> this is a result of some help I received a few days ago in the
> #emacs irc chat room on freenode.
> I was wondering why we were adding a semicolon in front of names,
> before creating symbols, and I understand this is because such
> symbols work as keys.
I assume you mean a "colon", like this `:'
Those :foo thingies have another nice property: they are self-evaluating,
like numbers. If you try, e.g. to eval foo, the evaluator tries to find
a variable named foo and the result is then that variable's value.
If you evaluate 'foo, the result is the symbol foo.
If you evaluate :foo, the result is :foo, like when you evaluate 1234,
where the result is simply 1234.
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next prev parent reply other threads:[~2020-06-27 16:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-27 15:18 [patch] simplify-compact initial data extraction from plist Mario Frasca
2020-06-27 16:49 ` tomas [this message]
2020-07-12 18:03 ` Fwd: " Mario Frasca
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