It's aimed at people who would like to design a very performant DSL. Roughly speaking, your Lua code is the compiler, your Terra code is the runtime. Because th

It's aimed at people who would like to design a very performant DSL. Roughly speaking, your Lua code is the compiler, your Terra code is the runtime. Because the Lua code can metaprogram the Terra code, it's possible to perform dynamic tuning of Terra even while the program is running.