vim9script process a range with a function

[Maxim Kim]

How in vim9script a range should be processed by a def function?

Vim9.txt states that def functions do not support range option.

So given a range what def function would/should do? Run it for every line in range?

How do I get smth similar to a:firstline and a:lastline?

[Bram Moolenaar]

> How in vim9script a range should be processed by a def function?
>
> Vim9.txt states that def functions do not support range option.
>
> So given a range what def function would/should do? Run it for every line
> in range?

Normally the function will be called for each line in the range.

> How do I get smth similar to a:firstline and a:lastline?

You can pass a range as an argument. Or use marks.

Thus you can't do "1,10call Func()" and have the function called once
for the range. You can define a user command that takes the range and
passes it to the function.

You could also use a legacy function with the range option that calls
the :def function with a:firstline and a:lastine.

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