const std = @import("std");

pub fn main() !void {
    var myallo = std.heap.GeneralPurposeAllocator(.{}){};
    const allocator = myallo.allocator();
    // const allocator = std.heap.c_allocator;
    var myarray = try allocator.alloc(u8, 10);
    for (0..myarray.len) |i| {
        myarray[i] = @truncate(i);
    }
    allocator.free(myarray);
    std.debug.print("Use after free: {any}\n", .{myarray});
    var myotherarray = try allocator.alloc(u8, 10);
    allocator.free(myotherarray);
    allocator.free(myotherarray);
    std.debug.print("Double free: {any}\n", .{myarray});
}