debug.setstack
Sets a register value in a stack frame.
function debug.setstack(levellevelnumberStack frame level.: number, indexindexnumberRegister index.: number, valuevalueanyNew value.: any): ()Usage
Modify a return value
local function foo()
return "Goodbye, world!", debug.setstack(1, 1, "Hello, world!")
end
print(foo()) --> Hello, world!