On 12/30/2019 7:05 PM, Tony Mechelynck wrote:
On Tue, Dec 31, 2019 at 3:48 AM Ernie Rael <[email protected]> wrote:
On 12/30/2019 6:42 PM, Tony Mechelynck wrote:
On Tue, Dec 31, 2019 at 3:31 AM Ernie Rael <[email protected]> wrote:
On 12/29/2019 6:11 PM, Ernie Rael wrote:root
  From python, is it *always* true that "vim.buffer[i].number == i" ?

-ernie

I've convinced myself that this is true. The docs say

      A mapping object providing access to the list of vim buffers.
      ...
      b.number    Buffer number. Can be used as |python-buffers| key.

and the python interface code uses

      b = buflist_findnr((int) bnr);

-ernie
To test if it is really _always_ true, test it with invalid values,
for instance -1 or 9999.

Best regards,
Tony.

I used bwipe as well as some plain invalid numbers. Invalid numbers
generate errors from vim, so the test couldn't complete; the function
wouldn't collapse and I guess it's both true and false :-)

-ernie

In that case I guess you could put that statement inside a Python
try..except construct and catch the appropriate vim.error

Best regards,
Tony.

It's true enough (much better than a politician) for my needs. I'm working through a bug in some plugin code, Splice - it turns vim into a great merge tool. There's a variety of stuff that can be simplified by using the buffer.number for what it is.

Thanks Tony,
-ernie

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