1const std = @import("std");
 2
 3pub fn main() !void {
 4    var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
 5    defer arena.deinit();
 6
 7    const allocator = arena.allocator();
 8
 9    const ptr = try allocator.create(i32);
10    std.debug.print("ptr={*}\n", .{ptr});
11}
12
13// exe=succeed