require "pippo"

a = 17
b = 22
a = "ciao"
b = a .. " mondo"

-- adder is a reference to a function
adder = function(first, second)
    return first + second
end

function adder2(first, second)
    local boh = 50
    return first + second
end

print(adder(1, 2))

foobar = {}
foobar.dumbadder = adder2

print(foobar.dumbadder(3, 4))

print(pippo.multiplier(4, 5))

arr = {"ciao", "foo"}

for k,v in pairs(_G) do
    print(k, v)
end

print(math.sin( 50 ))

mt = {}
mt.__add = function(a, b)
    if type(a.key) == "string" then
        return a.key .. b.key3
    end
    return a.value + b.value
end

t1 = {key="foo", key2="bar", value=50}
setmetatable(t1, mt)
t2 = {key3="test", key4="test2", value=90}

print(t1 + t2)