1234567891011const std = @import("std");const allocator = std.heap.page_allocator;const ArrayList = std.ArrayList;pub fn main() !void {const stdout = std.io.getStdOut().writer();try stdout.print("Hello, {s}!\n", .{"World"});var list = ArrayList(i32).init(allocator);defer list.deinit();}12345678910111213141516const std = @import("std");const GeneralPurposeAllocator = std.heap.GeneralPurposeAllocator;const ArrayList = std.ArrayList;pub fn main() !void {var gpa = GeneralPurposeAllocator(.{}){};defer _ = gpa.deinit();const allocator = gpa.allocator();const stdout = std.io.getStdOut().writer();try stdout.print("Hello, {s}!\n", .{"Zig"});var list = ArrayList(i32).init(allocator);defer list.deinit();try list.append(42);}