debug.setupvalue - Potassium

function debug.setupvalue(function: function | number, index: number, replacement: any): ()

function | number

required

The function whose upvalue is set.

number

required

The index of the upvalue to set.

any

required

The replacement object. Must be of the same type.

Alias: setupvalue

Example

This script will set a function’s upvalue.

local upvalue = 0

local function foo()
    return upvalue
end

local function bar()
    upvalue += 1
end

print(foo())

debug.setupvalue(foo, 1, 10000)

print(foo())

​Example

Example