setupvalue - Real Function Reference

setupvalue(target: function | number, index: number, value: any)

Alias

debug.setupvalue

Đối số

function | number

bắt buộc

Lua function or stack level whose upvalue is modified.

number

bắt buộc

One-based upvalue index.

any

bắt buộc

New value for the upvalue.

Ví dụ

Replace one upvalue in a Lua closure or stack level.

local captured = "before"

local function target()
    return captured
end

print(target())

setupvalue(target, 1, "after")
print(target())

debug.setupvalue(target, 1, "done")
print(target())

​Alias

​Đối số

​Ví dụ

Alias

Đối số

Ví dụ