Lua is a small, fast, embeddable scripting language. It caters to no particular paradigm, but has simple mechanisms that allow easy implementation of all paradigms. Closures and functions as first-class types serve the functional style, while tables, Lua's swiss-army-knife of data structures, can double up as classes or objects. Co-routines allow turning the program flow inside-out, and an incremental garbage collector keeps the memory requirements low for us. Without further ado, everybody's favorite first program in Lua is:

print("Hello, World")

This is as unsurprising as most of the languages. Lua has only a few types: