# Here's a function that takes two integers and returns
# their sum as an integer.
function plus(a::Int, b::Int)::Int
    # Julia automatically returns the value of the last expression,
    # but we can use the `return` keyword for clarity.
    return a + b
end

# In Julia, we can define multiple methods for the same function
# with different argument types. This is called multiple dispatch.
function plusplus(a::Int, b::Int, c::Int)::Int
    return a + b + c
end

# The main function in Julia is not required, but we'll use it
# to organize our code.
function main()
    # Call a function just as you'd expect, with `name(args)`.
    res = plus(1, 2)
    println("1+2 = ", res)

    res = plusplus(1, 2, 3)
    println("1+2+3 = ", res)
end

# Call the main function
main()