[resend - message was rejected somewhere]
> * Bram Moolenaar <[email protected]> [230314 13:24]: > > > > Ernie Rael wrote: > > > > > I sometimes want "collection->foreach((_, v) => ...v...)", a simple > > > one liner, no return or return ignored. I know it's not a performance > > > winner, or I'd want it more. > > > > > > After a quick look at the code, it looks like simply introducing > > > another filtermap_T, FILTERMAP_FOREACH, and there's not much coding > > > needed (I only looked at list). Probably more work doing tests/doc. > > > > > > Any objections or other considerations? > > > > So, this would iterate over the items in a List or Dictionary and invoke > > a function for each one. I assume the List or Dictionary is not > > modified, otherwise you would use map(). Thus it's a short version of a > > for loop. This seems useful. > > > > I would suggest first writing the help and think of any error conditions > > that need to be handled. Perhaps the collection should be locked > > (frozen) to avoid trouble? > > Would this have any functionality that is not provided by using mapnew > and ignoring or throwing away the result? It is not adding functionality, it is restricting functionality. Using mapnew() suggests that the list/dict is going to be modified, only by taking care it would be avoided. And it adds overhead, a new list/dict is created and items added to it. -- FATHER: One day, lad, all this will be yours ... PRINCE: What - the curtains? "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\ /// \\\ \\\ sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ /// \\\ help me help AIDS victims -- http://ICCF-Holland.org /// -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/vim_dev/20230322164149.6867F1C07BD%40moolenaar.net.
