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CHANGELOG.md

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Changelog

0.8.2 - 2023-09-22

Added

  • Instant.clock_name is back and now tracks clock_id using reflection.
  • Explicit minimum Ruby version in gemspec (2.7.0).

Changed

  • Clock auto-selection redux. We choose the first available from:

    1. CLOCK_UPTIME_RAW on macOS, faster and higher resolution, also used by Rust
    2. CLOCK_MONOTONIC
    3. CLOCK_REALTIME, a non-monotonic fallback that issues a warning on startup

  • Slight performance bump for Duration.measure on Ruby <= 3.1

0.8.1 - 2023-09-18

Changed

  • After further consideration, return to defaulting to CLOCK_MONOTONIC instead of the overly-elaborate auto-selection introduced in 0.8.0.

Removed

  • Instant.clock_name. No I'm not incrementing to 0.9. It's been a few hours, you're not using it, shut up.

0.8.0 - 2023-09-17

Added

  • Default precision for Duration#to_s can be set using Duration.default_to_s_precision=.
  • Default sleep function can be set using Duration.sleep_function=
  • Duration::ZERO and Duration.zero for an easy, memory-efficient zero-duration singleton.
  • Instant.clock_id and Instant.clock_id= to control the default clock source.
  • Instant.clock_getres to get the minimum supported Duration from the selected clock source.
  • Instant.monotonic_function= to completely replace the default monotonic function.

Changed

  • The default clock source is now chosen from a selection of options instead of defaulting to `CLOCK_MONOTONIC``. Where possible options are used which are unaffected by NTP frequency skew and which do not count time in system suspend.
  • CI matrix drops Ruby 2.5 and 2.6 and adds 3.1, 3.2, head branches of Ruby, JRuby, and TruffleRuby, and also tests under macOS.

Fixed

  • CI on TruffleRuby has been fixed by disabling SimpleCov.
  • Several fragile tests depending on relatively narrow sleep times have been fixed.

Thanks

  • @petergoldstein for fixing CI on TruffleRuby and adding 3.1 and 3.2.
  • @fig for fixing a README error.

0.7.1 - 2021-10-22

Added

  • simplecov introduced to test suite.
  • monotime/include.rb to auto-include types globally.

Changed

  • All Instant and Duration instances are now frozen.
  • Migrate from Travis CI to Github Actions
  • Update development dependency on rake.

0.7.0 - 2019-04-24

Added

  • Duration.with_measure, which yields and returns an array containing its evaluated return value and its Duration.

Changed

  • Break Duration and Instant into their own files.
  • Rename Monotime::VERSION to Monotime::MONOTIME_VERSION to reduce potential for collision if the module is included.
  • Update to bundler 2.0.
  • Rework README.md. Includes fix for issue #1 (added a "See Also" section).

0.6.1 - 2018-10-26

Fixed

  • Build gem from a clean git checkout, not my local development directory. No functional changes.

0.6.0 - 2018-10-26

Added

  • This CHANGELOG.md by request of @celsworth.
  • Aliases for Duration.from_* and Duration#to_* without the prefix. e.g. Duration.from_secs(42).to_secs == 42 can now be written as Duration.secs(42).secs == 42.
  • Duration#nonzero?.
  • Instant#in_past? and Instant#in_future?.

0.5.0 - 2018-10-13

Added

  • Duration#abs to make a Duration positive.
  • Duration#-@ to invert the sign of a Duration.
  • Duration#positive?
  • Duration#negative?
  • Duration#zero?

Changed

  • Instant#sleep with no argument now sleeps until the Instant.
  • Duration.from_* no longer coerce their argument to Float.
  • Duration#== checks value via #to_nanos, not type.
  • Duration#eql? checks value and type.
  • Duration#<=> compares value via #to_nanos.

0.4.0 - 2018-10-09

Added

  • Instant#sleep - sleep to a given Duration past an Instant.
  • Instant#sleep_secs and Instant#sleep_millis convenience methods.
  • Duration#sleep - sleep for the Duration.
  • Duration#* - multiply a Duration by a number.
  • Duration#/ - divide a Duration by a number.

Changed

More #to_nanos Duration duck-typing.

0.3.0 - 2018-10-04

Added

  • #to_nanos is now used to duck-type Duration everywhere.

Changed

  • Make <=> return nil on invalid types, rather than raising a TypeError.

Removed

  • Dependency on dry-equalizer.

0.2.0 - 2018-10-03

Added

  • Instant#to_s as an alias for #elapsed.to_s
  • Duration#to_nanos, with some limited duck-typing.

Changed

  • Switch to microseconds internally.
  • Duration#to_{secs,millis,micros} now return a Float.
  • Instant#ns is now protected.

Fixed

  • Duration#to_s zero-stripping with precision=0.
  • Instant#- argument ordering with other Instant.
  • Duration#to_micros returns microseconds, not picoseconds.

Removed

  • Instant and Duration maths methods no longer support passing an Integer number of nanoseconds.

0.1.0 - 2018-10-02

Added

  • Initial release