Yegappan wrote:
> > > If you run the below script:
> > >
> > > --------------------------------------------
> > > vim9script
> > > def g:Test1(): void
> > > enddef
> > > echomsg function('g:Test1')
> > > echomsg funcref('g:Test1')
> > > --------------------------------------------
> > >
> > > The following output is produced:
> > >
> > > function('g:Test1')
> > > function('Test1')
> > >
> > > Note that in the second line the scope "g:" is missing. I expected that
> > > the
> > > same output will be produced by both function() and funcref().
> >
> > With a funcref a pointer to the function is used, thus the scope is not
> > directly relevant. With function() it stores the name as it was given,
> > to be looked up later. Thus it should be OK to get a different name.
> >
> > But it would be clearer for the funcref to output funcref('Test1').
> > I wonder what trouble it would cause if we change that now.
> > Unless there is a practical reason, I rather leave it as it is.
>
> This causes a problem in Vim9 when setting an option like 'omnifunc'
> to a funcref(). I am working on adding the support for setting these
> options to a funcref/lambda in Vim9 (before patch 8.2.3765). When this
> option is set to a global funcref:
>
> var Fn: func = funcref('g:Myomnifunc')
> &omnifunc = Fn
>
> This fails with the error 'Myomnifunc' function is not found. This works
> if function() is used instead of funcref(). This is because, when funcref()
> is converted to a string (by tv2string()), the scope is not retained.
> In a legacy script this works as the scope is global by default.
> In Vim9, this fails as the default scope is script local and the function
> is a global function. So the function is not found.
Oh, this is not about using funcref() instead of function(), but
prepending "g:". That should be OK.
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