Lua varargs

Syntax

local function total(...)
  local sum = 0
  for _, value in ipairs({ ... }) do sum = sum + value end
  return sum
end

Examples

local function total(...)
  local sum = 0
  for _, value in ipairs({ ... }) do sum = sum + value end
  return sum
end

Best practices

• Start with the smallest working example, then adapt it to your project.
• Use the language’s standard library and idioms before introducing extra dependencies.

At a glance

Purpose

Lightweight scripting and embedding

File extension

.lua

Runs in

Lua interpreter or a host application

Usually used with

Host APIs and Lua modules

Specifications & further reading

• Lua reference manuals

Related Lua documentation