entries datastruct

[krisdiano]

now, the datadtruct is slice, in run function, always sort, why not use heap or wheel,

[krisdiano]

hi, author, i implement cron with heap, and commit a PR, but not pass TestJob function, but it is not a bug, beacues the heap is dynamically adjusted, so failed to TestJob.

[robfig]

I don't believe that the extra complexity is necessary. It's hard to imagine a system with so many scheduled tasks that sorting them takes a measurable amount of time. Tasks can not be activated more often than once a second at the most, so I don't see any reason to optimize this case. Thanks for your interest