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On Tue, May 18, 2010 at 9:12 PM, Luiz Henrique de Figueiredo
<> wrote:
>> But I see that lua_pushcfunction is just a macro for lua_pushcclosure:
>>    #define lua_pushcfunction(L,f)  lua_pushcclosure(L,f,0)
>> and lua_pushcclosure(L,f,0) creates a light C function, so I guess Lua
>> callbacks from light C functions are allowed. Is this so?
> Yes. Light C functions are exactly like current C functions except that they
> don't have upvalues. It's an implementation optimization and one that has
> shown to save a good amount of memory. Moreover, light C functions can be
> sent to Lua without fearing memory allocation errors.

Excellent. So, presumably, that means...

Lua 5.2.0 (work2)  Copyright (C) 1994-2010, PUC-Rio
> =pairs({}) == next

Lua 5.2.0 (work3)  Copyright (C) 1994-2010, PUC-Rio
> =pairs({}) == next

...Cool. :)

 (Maybe only to me, though...)