funcrefs forms

Hello,

Trying to understand the difference (and pros/cons) between the form1
and form2 funcref usage in the following sample code. In a previous
discussion, Nikolay Pavlov said : "[…] I tend to use anonymous functions
(and only them as far as I can)", now I'm wondering why.

Regards,

.vim <--
function! s:SID()
return matchstr(expand('<sfile>'), '<SNR>\zs\d\+\ze_SID$')
endfunction

function! s:objectConstructor(name)
let obj = {}
let obj.name = a:name
let obj.form1 = s:objFuncs.form1
let obj.form2 = function('<SNR>' . s:SID() . '_s:objFuncs_form2')
return obj
endfunction

let s:objFuncs = {}

function! s:objFuncs.form1()
echo self.name
endfunction

function! <SID>s:objFuncs_form2() dict
echo self.name
endfunction

let otst = s:objectConstructor('test')
call otst.form1()
call otst.form2()
-->

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