debug.getupvalues - Byte Documentation

debug.getupvalues(target: function | number): {any}

Aliases

getupvalues

Arguments

function | number

required

The function to inspect, or a positive stack level identifying a caller.

Returns

{any}

A 1-based table of captured values. Nil slots may leave holes.

target may be a Lua function or positive stack level. Nil entries create holes; use pairs. Related types: Debug types & behavior.

Example

local captured = {value = 1}
local function sample() return captured.value end
for index, value in pairs(debug.getupvalues(sample)) do print(index, value) end