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- ... as an l-value to get all results of a function call?
- at least ...[i] and #...
- extend to full tuples?
- __and __or __not metamethods
- lua_tostring, lua_tonumber, lua_touseradta etc push values in stack
- __tostring,__tonumber, __touserdata metamethods are checked
- and expected to push an object of correct type on stack
- lua_rawtostring, lua_rawtonumber, lua_rawtouserdata don't
- push anything on stack, return data of appropriate type,
- skip metamethods and throw error if object not of exact type
- package.findfile exported
- module not polluting the global namespace
- coxpcall with a coroutine pool for efficiency (reusing coroutines)
- exception mechanism formalized? just like the package system was.
- a nice bitlib in the core
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