Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to the Haskell Package Versioning Policy.

[0.3.0] - 2020-06-18

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

[0.2.0.1] - 2019-05-19

Changed

• Swap out ghc-prim and primitive for vector

[0.2.0] - 2019-02-03

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

[0.1.0] - 2018-07-18

Added

• Initial release