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- Subject: Lua and C - misc questions
- From: Diaa Sami <diaasami@...>
- Date: Sat, 20 Aug 2005 18:41:20 -0700 (PDT)
I'm new to lua, so I've got a couple of questions.
I'll try to explain everything in details so that you
can understand my questions.
here are my questions:
1- how to remove a value from the globals table
I had a C pointer, and I wanted to export it(make it
available) to lua, so I deduced(from the docs) that
this is possible by adding this pointer to the globals
table, I did this like this:
so, now I want to know how to remove this variable so
that it's not available to lua code anymore.
2- how to un-register a function
I've registered a function using the macro
how to un-register the function so that it can't be
called from lua anymore.
3-how to remove all the variable associated with a
chunk(i.e. unload the chunk and all associated data
I loaded a chunk using luaL_loadfile(), and everything
I reached a point in the program where I don't want
that loaded chunk, I want to discard it and all the
associated data, how to do this?
4- how to make global variables read-only?
I heard it is possible to make variables read-only in
lua, how can I do this?
5- how to get a table's length?
thanks for you effort.
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