git clone https://github.com/berry-lang/berry
|#946on PLDB||5Years Old|
Berry is a ultra-lightweight dynamically typed embedded scripting language. It is designed for lower-performance embedded devices. The Berry interpreter-core's code size is less than 40KiB and can run on less than 4KiB heap (on ARM Cortex M4 CPU, Thumb ISA and ARMCC compiler).
def fib(x) if (x <= 1) return x end return fib(x - 1) + fib(x - 2) end