Re: Lua Needs

[Philippe Verdy <verdy_p@...>]

Le jeu. 29 nov. 2018 à 15:22, Philippe Verdy <verdy_p@wanadoo.fr> a écrit :

Le mer. 28 nov. 2018 à 11:06, Egor Skriptunoff <egor.skriptunoff@gmail.com> a écrit :

But the next question from Sony L. would be the following:

How to save intermediate value in this code

a:b.c()

a:b.d()

This idea a very strange object type in Lua creating an object that references two:

 

to rewrite it in optimized way

local x = a:b

x.c()

x.d()

The way I percieve it is that "x" should be a "proxying" function object (which internally will call function "b"), defined in a closure that holds the value "a". Something like:

Fix:

local x = function(a, b)

  local __o___ = a;

  return function(...)

    return b(__o__, ...)

  end

end

x(c)

x(d)

Sorry: I forgot the (a,b) parameters to the first function...