RE: The Lua C API

[John Mckenna <jmckenna@...>]

>From: Reuben Thomas [mailto:rrt@sc3d.org]

>> 	lua_dostring(L,"f()");
>> 
>> is equivalent to
>> 
>> 	lua_getglobal(L,"f");
>> 	lua_call(L,0,0);
>> 
>> and this last version is faster.
>
>...which begs the question why the former isn't implemented as the
>latter...

Because the former can do a lot more than just calling a function.
lua_dostring() can execute arbitrary chunks of Lua source.  Calling a
function is a very limited special case - it's not surprising that there's a
faster way of doing it.
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