Question on get/setmetatable()

[Andrea <andrea.l.vitali@...>]

Why get/setmetatable() are necessary?

One could simply set a special key such as __metatable by writing something like 

mt = {}

t = {}

t.__metatable = mt 

Instead of writing 

setmetatable(t,mt)

And similarly for getmetatable()

So what is the reason to keep these functions? 

This question is born from looking at the language evolution: there were set/getfenv() and now there is just a special __ENV

    Andrea 

--

Andrea Vitali

_______________________________________________
lua-l mailing list -- lua-l@lists.lua.org
To unsubscribe send an email to lua-l-leave@lists.lua.org