124387Re: setline vs call setline
- Jul 2, 2011On Jul 1, 1:38 pm, Taylor Hedberg <tmhedb...@...> wrote:
> Vim scripts are composed of ex commands. Functions are expressions, notthanks for the help everyone. i think i got it. taylor, your
> ex commands, so they can't be used "bare" in a script; that is, they
> must be "wrapped" in a proper command.
> Not a valid Vimscript statement:
> call foo()
> :call is just an ex command that essentially just invokes the given
> function and ignores its result. This is useful when you just care about
> the side effects of a function but not the value it returns (if any).
> Plenty of other commands can call functions as well, and all are valid
> as statements in a script. The only restriction is that you can't invoke
> a function by itself, without some kind of command that wraps it.
> Another simple example is :echo, which evaluates its argument (which may
> be a function) and prints the result.
> Hopefully that clears things up a little.
explanation did clear it up.
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