Multiple Returns

Lua functions can return more than one value.

multiple_returns.lua

local total = 

local function split_total(value)
  local left = value / 2
  local right = value - left
  return left, right
end

local first, second = split_total(total)

print("total=" .. total)
print("first=" .. first)
print("second=" .. second)

local total = 

local function split_total(value)
  local left = value / 2
  local right = value - left
  return left, right
end

local first, second = split_total(total)

print("total=" .. total)
print("first=" .. first)
print("second=" .. second)

local total = 

local function split_total(value)
  local left = value / 2
  local right = value - left
  return left, right
end

local first, second = split_total(total)

print("total=" .. total)
print("first=" .. first)
print("second=" .. second)

several results Assign each returned value to its own local name when both results matter.