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Revision history for Future

0.32    2015/03/10 19:54:22
        [CHANGES]
         * Documentation updates for new ->wrap_cb method

        [BUGFIXES]
         * Empty convergents should respect subclassing (RT97537)
         * Adjust loss-report regexp for bleadperl (RT99002 again)
         * Make trailing periods in warning tests optional, to account for
           Carp version changes (RT100685)

0.31    2015/03/08 17:50:06
        [CHANGES]
         * Added debugging warning when destroying a failed Future that has
           not reported its failure (RT102198)
         * Have ->and_then / ->or_else die immediately to further their
           deprecation
         * Announce done_cb/fail_cb/cancel_cb as deprecated in favour of curry
         * Provide ->wrap_cb method (experimental)
        
        [BUGFIXES]
         * Ensure that Test::Future does not retain Futures once they are
           complete (RT101128)
         * 'use Future' in Future::Utils (RT102167)

0.30    2014/11/26 14:29:28
        [CHANGES]
         * Rename 'dependent' futures to 'convergent'
         * Removed examples/ scripts that now exist as independent modules
         * Added ->without_cancel
         * Sanity-check the $code argument to ->on_{ready,done,fail,cancel} to
           ensure it is callable or a Future
        
        [BUGFIXES]
         * Ensure that 'ready_at' is always set in DEBUG mode
         * Fix DEBUG 'lost_at' line number reporting tests for latest
           bleadperl (RT99002)
         * Ensure that if Future::Utils::repeat condition code dies, that is
           passed to the result Future and not propagated to the caller
           (RT100067)
         * Failure by returning a non-Future from a sequencing code block
           should report as a failed Future, not throw exception to caller

0.29    2014/07/17 12:18:12
        [CHANGES]
         * Added Test::Future
         * Stronger deprecations - repeat {} on failures warns every time,
           ->and_then / ->or_else warn once

        [BUGFIXES]
         * Define the behaviour of dependent futures when components are
           cancelled. (Partially fixes RT96685)
         * Use Module::Build->prompt (RT96409)
         * Ensure that repeat on an empty foreach list or empty generator
           without 'otherwise' behaves correctly, just yield an immediate

0.28    2014/06/08 22:43:40
        [CHANGES]
         * Added ->label
         * Added ->btime, rtime, elapsed tracing timers
         * Better handling of 'breaks' version detection

0.27    2014/06/06 17:42:27
        [BUGFIXES]
         * Depend on Carp 1.25 for the new message format with trailing
           period, so tests work

0.26    2014/06/01 12:52:53
        [CHANGES]
         * Added ->is_failed accessor
         * Implement ->export_to_level in Future::Utils
         * Print a warning about lost sequence Futures
         * Allow Future->done and Future->fail as simple class constructors
           to return immediates
         * Added Future->unwrap

        [BUGFIXES]
         * Ensure that sequence futures are weaken()ed in the forward
           direction.
           **NOTE** This will potentially break existing code that depended on
             strong references. This old code was, however, broken.

0.25    2014/02/22 03:47:08
        [BUGFIXES]
         * Fix warning-matching test in unit test for both older and newer
           versions of Carp

0.24    2014/02/21 17:57:49
        [CHANGES]
         * Have repeat print a warning if it is asked to retry over a failure
         * Change documentation to suggest try_repeat instead of repeat for
           retries over failure
         * Check at call time that sequencing callbacks really are callable,
           leading to neater error messages (RT93164)

0.23    2014/01/19 15:26:55
        [CHANGES]
         * Link to Futures advent calendar 2013
         * Fixes/additions to Phrasebook documentation, including section
           about tree recursion

        [BUGFIXES]
         * Ensure that late addition of additional items to a fmap foreach
           array works correctly even with concurrency

0.22    2014/01/12 03:12:18
        [CHANGES]
         * Ignore ->done or ->fail on cancelled Futures
         * Added ->then_done, ->then_fail, ->else_done, ->else_fail
         * Neaten up naming of fmap* family - provide both long and short
           names for each function
         * Added Future::Utils::call and call_with_escape
         * Ensure that dependent futures on subclasses tries to use derived
           futures as prototype if possible

0.21    2013/12/29 18:14:41
        [CHANGES]
         * Major performance improvement by folding out some layers of sub {}
           wrapping in sequencing operations
         * Added ->then_with_f and ->else_with_f
        
        [BUGFIXES]
         * Don't start another trial after cancelling a repeat() (RT91147)

0.20    2013/11/18 19:14:27
        [CHANGES]
         * Include an indication of done/failed/cancelled status of a Future
           when ->done or ->failing an already-ready one

        [BUGFIXES]
         * Declare requires perl 5.8 because it fails on 5.6 smokers - no idea
           why
         * Fix a couple of typoes in docs (RT89185)

0.19    2013/09/27 13:31:16
        [BUGFIXES]
         * Guard against odd things happening during ->cancel at global
           destruction (RT88967)

0.18    2013/09/20 19:09:57
        [CHANGES]
         * Added 'try_repeat' and 'try_repeat_until_success' aliases
         * @CARP_NOT trust between Future and Future::Utils

        [BUGFIXES]
         * Fix to concurrent non-immediate + immediate fmap* return values

0.17    2013/09/07 16:53:47
        [CHANGES]
         * Performance improvement by using direct member access instead of
           accessor methods
         * Documentation updates; suggestion of documentation style for
           Future-returning code

        [BUGFIXES]
         * Respect subclassing of immediate->followed_by and dependent futures
           with mixed subclass or immediate components

0.16    CHANGES:
         * Proper behaviour of ->wait_all and ->needs_all on an empty list -
           just return empty immediate done
         * Proper behaviour of ->wait_any and ->needs_any on an empty list -
           return an immediate failure
         * Performance improvement to ->done for immediate Future->new->done
         * Keep a count of pending child futures to avoid quadratic behaviour
           due to linear scan of children every time one completes
         * Improve efficiency of Future::Utils::repeat and fmap* when trials
           return immediates
         * Make repeat and fmap* 'return' argument optional by cloning the
           first non-immediate trial
         * Rework unit tests to avoid dependency on Test::Warn

0.15    CHANGES:
         * Added Future->call constructor
         * Fixed reference-retaining bug in Future's on_cancel callback list
         * Ensure that ->cancel returns $self even on immediates
         * Documentation updates to mention ->wrap and ->call, and the fmap
           family

0.14    CHANGES:
         * Added Future->wrap constructor
         * Added Future::Utils::fmap* family of functions

        BUGFIXES:
         * Fixed a precedence bug in 'and' vs &&

0.13    CHANGES:
         * Added ->then and ->else methods; like ->and_then but code is passed
           result directly instead of invocant future
         * Added repeat { ... } foreach, otherwise argument to set final
           result and also handle empty lists
         * Added repeat { ... } generate
         * Turn repeat { ... } code block exceptions into failed futures
         * Ensure that ->on_cancel returns $self (RT85134)
         * Documentation / Phrasebook updates to demonstrate newly added
           features

0.12    CHANGES:
         * Take a 'return' argument to Future::Utils::repeat; deprecate the
           trial-cloning feature for subclasses
         * Have ->followed_by/etc... print a warning in void context
         * Throw an exception when ->followed_by/etc.. code does not yield a
           Future (RT84188)
         * Ensure that ->needs_all/->needs_any work correctly on a mix of
           immediate and pending Futures (RT84187)
         * Ensure that ->on_done/->on_fail always return invocant (RT84313)
         * Ensure that ->on_ready($f) works on cancelled Futures (RT84312)

0.11    CHANGES:
         * Added Future::Phrasebook documentation file
         * Ensure that exceptions thrown from ->followed_by code block are
           caught and turned into failed Futures
         * Fix filename regexp matches for unit-tests so they work on Windows

0.10    BUGFIXES:
         * Account for newer Carp version in unit tests, which appends
           trailing period to messages

0.09    CHANGES:
         * Split ->fail method into new ->die call, only append caller
           file/line to the exception in the latter
         * Various documentation and example improvements

0.08    CHANGES:
         * Ignore attempts to cancel already-complete or already-cancelled
           futures, or to attach ->on_cancel callbacks to them
         * $future->get should return the first result in scalar context
         * Added Future::Utils with repeat { ...} and
           repeat_until_success { ... } looping constructs

         * Link to LPW2012 talk slides

0.07    CHANGES:
         * Leak debugging

0.06    CHANGES:
         * Remembered to actually include the example scripts. No other actual
           code changes.

0.05    CHANGES:
         * Respect subclassing by allowing ->new on instances
         * Allow subclasses to provide an ->await method which will be used
           by ->get and ->failure
         * Added some example scripts to demonstrate how to use Futures with
           various event systems

0.04    CHANGES:
         * Fix implementation of sequenced futures to work properly on
           immediates
         * Ensure that future->future chaining via callbacks works correctly
           on immediates
         * Link to "curry" in the docs about CODE-returning convenience
           accessors ->done_cb, ->fail_cb and ->cancel_cb

0.03    INCOMPATIBLE CHANGES:
         * Future->needs_all and Future->needs_any now return dependents'
           results

        CHANGES:
         * Removed $future->( ... ) callable override
         * Pass $f1 to ->or_else code block by symmetry with ->and_then
         * Added $f->followed_by
         * Added Future->wait_any dependent future constructor
         * Rearranged documentation and added more examples

0.02    CHANGES:
         * Rearranged non-leaf future logic
         * Added {pending,ready,done,failed,cancelled}_futures accessors
         * Added Future->needs_any constructor

0.01    First version, released on an unsuspecting world.