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hslua v0.9.3 Release Notes

    • Re-export more FunctionCalling helpers in Foreign.Lua: The typeclass ToHaskellFunction and the helper function toHaskellFunction are useful when working with functions. Importing them separately from Foreign.Lua.FunctionCalling was an unnecessary burden; they are therefor now re-exported by the main module.
    • Export registry-relatd constants refnil and noref: The constants are related to Lua's registry functions (ref and unref).
    • ➕ Add helper to convert functions into CFunction: A new helper wrapHaskellFunction is provided. It expects a HaskellImportedFunction userdata (as produced by pushHaskellFunction) on top of the stack and replaces it with a C function. The new function converts error values generated with lerror into Lua errors, i.e. it calls lua_error.
    • ➕ Add utility function setglobal': It works like setglobal, but works with packages and nested tables (dot-notation only).