monkey language interpreter

Based on the book by Thorsten Ball, "Writing an Interpreter in Go"

This is in progress as of 7/1/20

let five = 5;
let ten = 10;
	
let add = fn(x, y) {
	x + y;
};
let result = add(five, ten);
!-/*5;
5 < 10 > 5;
if(5 < 10) {
	return true;
} else {
	return false;
}
	
10 == 10;
10 != 9;