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timer-wheel v0.3.0 Release Notes

Release Date: 2020-06-18 // almost 5 years ago

  • ➕ Added

    • ➕ Add with
    • ➕ Add support for GHC 8.8, GHC 8.10

    🔄 Changed

    • 🔄 Change type of spokes from Natural to Int
    • Change order of delay and action arguments in register, register_, recurring, and recurring_
    • Simplify cancel to return True at most once
    • Throw an error if a negative delay is provided to register, register_, recurring, or recurring_
    • 🛠 Fix underflow bug that affected recurring timers

    ✂ Removed

    • ✂ Remove create, destroy
    • ✂ Remove TimerWheelDied exception. with now simply re-throws the exception that the timer wheel thread throws
    • ✂ Remove InvalidTimerWheelConfig exception. error is used instead
    • ✂ Remove support for GHC < 8.6

Previous changes from v0.2.0

  • ➕ Added

    • ➕ Add destroy function, for reaping the background thread
    • ➕ Add recurring_ function

    🔄 Changed

    • 👻 If the timer wheel reaper thread crashes, it will propagate the exception to the thread that spawned it
    • new may now throw InvalidTimerWheelConfig
    • 🛠 The cancel action returned by register is now memoized, which fixes a bug involving trying to cancel a recurring timer twice. The second call used to spin forever and peg a CPU
    • 👉 Use Config type for creating a timer wheel
    • 🔄 Change argument order around
    • 📇 Rename new to create
    • 👉 Make recurring timers more accurate