$ make run
Hello joshua! This is the Cixac programming language!
Type commands
>> 

let int = 105329                         // integer
let float = 38.221                       // float 
let str = "This is a string"             // string
let nil = null                           // null
let obj = { "x": 0, "y": 0, "z": 0 }     // object/hashmap
let arr = [1, 2, 3, 4, 5, 6, [0, 0, 0]]  // array 
let sub = fn(x, y) { x - y }             // function

// const ensures that the variable's value cannot be changed after its initial assignment
const int = 105329                          // const integer
const fun = fn(a, b) { (a - b) * (a + b) }  // const function

let x = 5
let y = x * 3
print((x + y) / 2 - 3)
# 7

/*
function adds two variables together

@param - int x
@param - int y
@returns - int
*/
fn add2(x, y) {
	// add x + y
	return x + y
}

let a = 18

let greaterThan = fn(x) {
	if (x > 20) {
		return "x is greater"
	} else if (x == 20) {
    return "x equals 20"
  } else {
      "20 is greater" # return keyword is optional
    }
}

print(greaterThan(a))
# 20 is greater

for (let i = 0; i < 10; i++) {
  if (i % 2 == 0) {
    continue
  }

  print(i)

  if (i >= 5) {
    break
  }
}
# 1
# 3
# 5

let i = 0

while (i < 5) {
  i += 1
}

print(i)
# 5

fn multiply(x, y) { 
  x * y 
}
print(multiply(40 / 2, 5))
# 100 

print(fn(x) { x }(5))
# 5

# closure
const newAdder = fn(x) { return fn(y) { x + y } }
const addTwo = newAdder(2)
print(addTwo(3))
# 5

# higher-order function
const sub = fn(x, y) { x - y }
const applyFn = fn(x, y, func) { return func(x, y) }
print(applyFn(2, 4, sub))
# -2

let fib = fn(x) {
	if (x == 0) {
		return 0
	} 
	if (x == 1) {
		return 1
	}
	return fib(x - 1) + fib(x - 2)
}

print(fib(15))
# 610

const name = "Joshua"
print(name)
# Joshua

print(name[3] + name[5])
# ha

let makeGreeter = fn(greeting) { fn(name) { greeting + " " + name + "!" } }
let hey = makeGreeter("Hey")
print(hey("Joshua"))
# Hey Joshua!

let arr = ["string", true, 29, fn(x) { x * x }]
print(arr[0])
# string

print(arr[4 - 2])
# 29

print(arr[3](2))
# 4

let obj = {"name": "Alex", "age": 42, "title": "CEO", true: "boolean key", 50: "integer key"}
print(obj["name"])
# Alex

print(obj["age"])
# 42

print(obj[true])
# boolean key

print(obj[50])
# integer key