hookfunction

Hooks a function with another wanted function, returning the original unhooked function.

The hook shouldn't have more upvalues than the function you want to hook.

All possible hooking closure pairs should be supported throughout L, NC, C. (NC = newcclosure)

function hookfunction<A1..., R1..., A2..., R2...>(function_to_hook: (A1...) -> R1..., function_hook: (A2...) -> R2...): (A1...) -> R1...

Parameters

• function_to_hook - The function that will be hooked

• function_hook - The function that will be used as a hook

---

Example

local function DummyFunction()
    print("I am not hooked!")
end

local function DummyHook()
    print("I am hooked!")
end

DummyFunction() -- Output: I am not hooked!

local OldFunction = hookfunction(DummyFunction, DummyHook)

DummyFunction() -- Output: I am hooked!
OldFunction() -- Output: I am not hooked!