Merge pull request #7 from viniciusfdasilva/dev

multidimensional.v file implemented

07_collections/multidimensional.v

@@ -0,0 +1,155 @@
+pub fn main()
+{
+	mut a := [][]int{len: 2, init: []int{len: 3}}
+	a[0][1] = 2
+	println(a)
+
+	mut a1 := [][][]int{len: 3, init: [][]int{len: 3, init: []int{len: 3}}}
+	println(a1)
+
+	a1[0][1][1] = 2
+	println(a1)
+
+	nums := [1,2,3]
+	nums_copy := nums.clone()
+	println(nums_copy)
+
+	nums1 := [1,2,3,4,5,6]
+
+	even := nums1.filter(it % 2 == 0)
+	println(even)
+
+	even_fn := nums1.filter(fn (x int) bool{
+		return x % 3 == 0
+	})
+
+	println(even_fn)
+
+	words := ['hello','world'] 
+	upper := words.map(it.to_upper())
+	println(upper)
+
+	upper_fn := words.map(fn (w string) string{
+		return w.to_upper()
+	})
+
+	println(upper_fn)
+
+	nums2 := [1,2,3]
+	println(nums2.any(it == 2))
+	println(nums2.all(it >= 2))
+
+	mut numbers1 := [1,2,3]
+	numbers1.sort()
+	numbers1.sort(a > b)
+
+
+	mut users := [User{21, 'Bob'}, User{65, 'Zarkon'}, User{25, 'Alice'}]
+	users.sort(a.age < b.age)
+	users.sort(a.name > b.name)
+
+	custom_sort_fn := fn(a &User, b &User) int
+	{
+		if a.name == b.name {
+			if a.age < b.age {
+				return 1
+			}
+			if a.age > b.age {
+				return -1
+			}
+
+			return 0
+		}
+		if a.name < b.name {
+			return -1
+		}else{
+			return 1
+		}
+
+		return 0
+	}
+
+	users.sort_with_compare(custom_sort_fn)
+
+	nums3 := [0,10,20,30,40]
+	
+	println(nums3[1..4])
+	println(nums3[..4])
+	println(nums3[1..])
+
+	array_1 := [3,5,4,7,6]
+	mut array_2 := [0,1]
+	array_2 << array_1[..3]
+
+	println(array_2)
+
+	// ========================================================== //
+
+	mut a4 := [0,1,2,3,4,5]
+	mut b4 := a4[2..4].clone()
+	b4[0] = 7
+	println(a4)
+	b4 << 9
+	println(a4)
+	println(b4)
+
+	// ========================================================== //
+
+	mut a5 := []int{len: 5, cap: 6, init: 2}
+	mut b5 := unsafe{ a5[1..4] }
+	a5 << 3
+	b5[2] = 13
+	a5 << 4
+	b5[1] = 3
+	println(a5)
+	println(b5)
+
+	// ========================================================== //
+
+	mut a6 := [0,1,2,3,4,5]
+	mut b6 := a6[2..4].clone()
+	b6[0] = 7
+
+	println(a6)
+	println(b6)
+
+	// ========================================================== //
+
+	a8 := [0,1,2,3,4,5,6,7,8,9]
+	println(a8#[-3..])
+	println(a8#[-20..])
+	println(a8#[-20..-8])
+	println(a8#[..-3])
+
+	println(a8#[-20..-10])
+	println(a8#[20..10])
+	println(a8#[20..30])
+
+	// ========================================================== //
+
+	files := ['pipoo.png', '01.bmp', '_v.txt', 'img_02.jpg', 'img_01.JPG']
+	filtered := files.filter(it#[-4..].to_lower() == '.jpg').map(it.to_upper())
+	println(filtered)
+
+	mut fnums := [3]int{}
+
+	fnums[0] = 1
+	fnums[1] = 10
+	fnums[2] = 100
+
+	println(fnums)
+	println(typeof(fnums).name)
+
+	fnums1 := [1,10,100]!
+	anums := fnums[..]
+	
+	println(anums)
+	println(typeof(anums).name)
+
+}	
+
+struct User{
+	age int
+	name string
+}
+