simon/Monkey: Writing An Interpreter In Go @ 21a07afa7bb3eae236a889fc460b32f9ebda8245

simon 21a07afa7b built-in function: len()		3 lat temu
..
builtins.go	21a07afa7b built-in function: len()	3 lat temu
evaluator.go	ca0563df26 built-in function: len()	3 lat temu
evaluator_test.go	ca0563df26 built-in function: len()	3 lat temu