extends Node

func _ready():
    # Unlike arrays, arrays in GDScript are dynamic and can hold any type.
    # An uninitialized array is empty and has length 0.
    var s = []
    print("uninit:", s, s == null, s.size() == 0)

    # To create an array with a specific size, we can use the resize() method.
    s.resize(3)
    print("emp:", s, "len:", s.size())

    # We can set and get just like with arrays in other languages.
    s[0] = "a"
    s[1] = "b"
    s[2] = "c"
    print("set:", s)
    print("get:", s[2])

    # size() returns the length of the array as expected.
    print("len:", s.size())

    # GDScript arrays can be extended using the append() method.
    s.append("d")
    s.append_array(["e", "f"])
    print("apd:", s)

    # Arrays can be duplicated using the duplicate() method.
    var c = s.duplicate()
    print("cpy:", c)

    # GDScript supports array slicing with the slice() method.
    var l = s.slice(2, 5)
    print("sl1:", l)

    # This slices up to (but excluding) index 5.
    l = s.slice(0, 5)
    print("sl2:", l)

    # And this slices from index 2 to the end.
    l = s.slice(2, s.size())
    print("sl3:", l)

    # We can declare and initialize an array in a single line as well.
    var t = ["g", "h", "i"]
    print("dcl:", t)

    # GDScript doesn't have a built-in slices package, but we can compare arrays directly.
    var t2 = ["g", "h", "i"]
    if t == t2:
        print("t == t2")

    # Arrays can be nested to create multi-dimensional data structures.
    var twoD = []
    for i in range(3):
        var inner = []
        for j in range(i + 1):
            inner.append(i + j)
        twoD.append(inner)
    print("2d: ", twoD)

# To run this script, attach it to a Node in your Godot scene and run the scene.