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From: TjL <luomat@gmail.com>
Date: Mon, 6 Aug 2012 18:13:47 -0400
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Subject: equivalent of "if (( $+commands[FOO] ))" for functions?
To: Zsh Users <zsh-users@zsh.org>
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I only recently learned about this method of taking some action only
if the command 'FOO' is found:

	if (( $+commands[FOO] ))
	then

	# take actions

	fi

but what I am wondering is: is there a way to have this same sort of
check, except that it also includes zsh functions/aliases?

If yes, what's the syntax for that?

Otherwise I'll keep using 'which' and sending the output to /dev/null
but I figured it was worth asking.

Thanks!

TjL