Lua operator metamethods

Syntax

Vector.__add = function(left, right)
  return Vector:new(left.x + right.x, left.y + right.y)
end

Examples

Vector.__add = function(left, right)
  return Vector:new(left.x + right.x, left.y + right.y)
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.

Runtime & versions

Lua interpreter or a host application. Feature availability depends on the language and runtime version used by your project; consult the official reference below.

Related Lua documentation

Specifications & further reading

• Lua reference manuals