Data update

Task/Arrays/Zig/arrays-1.zig

@@ -0,0 +1,32 @@
+const std = @import("std");
+
+pub fn main() !void {
+    const stdout = std.io.getStdOut().writer();
+
+    // array literal
+    const array1 = [9]i32{ 0, 1, 1, 2, 3, 5, 7, 12, 21 };
+
+    // infer the size of the array
+    const array2 = [_]i32{ 0, 1, 1, 2, 3, 5, 7, 12, 21 };
+
+    // alternative initialization using result location
+    const array3: [9]i32 = .{ 0, 1, 1, 2, 3, 5, 7, 12, 21 };
+
+    // initialize an array with zeros using array multiplication
+    var array4 = [_]i32{0} ** 5; // array length: 5
+
+    // assign elements to an array (must be declared as a variable)
+    array4[0] = -12;
+    array4[2] = 345;
+    array4[4] = -6;
+
+    // retieve elements from an array
+    try stdout.print("{d}, ", .{array4[0]});
+    try stdout.print("{d}, ", .{array4[1]});
+    try stdout.print("{d}, ", .{array4[2]});
+    try stdout.print("{d}, ", .{array4[3]});
+    try stdout.print("{d}\n", .{array4[4]});
+
+    // unused constants must be discarded
+    _ = array1; _ = array2; _ = array3;
+}

Task/Arrays/Zig/arrays-2.zig

@@ -0,0 +1,21 @@
+const std = @import("std");
+
+pub fn main() !void {
+    const stdout = std.io.getStdOut().writer();
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    const allocator = gpa.allocator();
+
+    // ArrayLists are initialized in the heap
+    var array = std.ArrayList(i32).init(allocator);
+    defer array.deinit();
+
+    // pushing elements to an ArrayList
+    try array.append(-12);
+    try array.append(345);
+    try array.append(-7);
+
+    // retrieving elements from an ArrayList
+    try stdout.print("{d}, ", .{array.items[0]});
+    try stdout.print("{d}, ", .{array.items[1]});
+    try stdout.print("{d}\n", .{array.items[2]});
+}