Re: what is the way to find out if a certain text object is already defined?

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On August 3, 2014 4:58:43 PM GMT+03:00, jmlucjav <jmlucjav@gmail.com> wrote:
>I think I was misunderstood...
>
>What I mean is: I have already installed a bunch of plugins that
>provide
>new text objects. I have a 'custom cheat sheet' with all those text
>objects, but I dont have it with me now.
>
>I need a way to find you if a text object (not a native one!) is
>alreadly
>defined (by a plugin or in my vimrc for instance). Is there such a way?
>
>
>
>
>On Sun, Aug 3, 2014 at 2:16 PM, Tony Mechelynck <
>antoine.mechelynck@gmail.com> wrote:
>
>> On 03/08/14 10:52, jmlucjav wrote:
>>
>>>
>>> hi
>>>
>>> I am considering adding some mapping to define a new text object
>(for
>>> numbers) as iN, aN etc. The thing is I already have a number of
>plugins
>>> for text objects. I don't have my custom cheatsheat here, so I
>cannot
>>> verify iN is available.
>>>
>>> What would be the way to list all text objects defined from inside
>vim,
>>> or at least check iN is available?
>>>
>>> thanks
>>>
>>>
>> No need for a custom external cheat sheet, there is the built-in
>help.
>> :help iN
>> :help aN
>> send back to :in[sert] and :an[oremenu] so these two "moves" are not
>yet
>> defined in Normal or Operator-pending mode. Similarly there is no
>help for
>> v_iN or v_aN so they aren't taken (yet) in Visual mode either.
>>
>> Near the top of
>> :help quickref.txt
>> you can see a two-column list with among others
>> |Q_tm| motion: Text object
>> |Q_to| Text objects
>> so double-clicking either of these green helptags (or hitting Ctrl-]
>on
>> them) will bring you to the corresponding help. Or you could use just
>> :help Q_tm
>> :help Q_to
>> for the same purpose. That's a built-in cheat sheet for you.
>>
>>
>> Best regards,
>> Tony.
>> --
>> Whatever it is, I fear Greeks even when they bring gifts.
>> -- Publius Vergilius Maro (Virgil)
>>
>>
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Depending on whether you need to find this automatically (from plugin) or not use maparg() or :omap. Just :omap will print all mappings, :omap with one argument will print all mappings starting with that argument.

Note: neither will find all possibly defined filetype-specific mappings. If mapping existence depend on some condition it cannot be found without understanding plugin source code.
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