Lua

Lightweight, embeddable scripting language

Language Features

return "Hello, Lua!"

Hello, Lua!

print("Hello, Lua!")

Hello, Lua!

if true then
  return 'this is true'
else
  return 'this is false'
end

this is true

function double(x)
  return x * 2
end

return double(2)

t = {key1 = 'value1', key2 = 'value2'}
return t.key1

value1

"List" (actually a table with consecutive integer keys) Return the length of the list:

v = {'value1', 'value2', 'value3'}
return #v

Indices start at 1

v = {'value1', 'value2', 'value3'}
return v[2]

value2