I also love to be part of it if you set up a github project I'll be glad to
send some PL on this subject

-----
Gaetan



2014-02-19 14:43 GMT+01:00 Daniel Fath <[email protected]>:

> > Hi everyone,
>
> > So I would like to know if anyone else working on this and to read your
> > comments on the JSR 310 choice.
>
>
> I was interested but day job, master thesis and my own XML parser got in
> the way :(
>
> If you are starting I'd love to join and help you, but I have a LOT of
> reading on my plate. From what I've gathered you best
> start from ISO-8601 add the Olson time database and basically build from
> there.
>
> Sincerely,
> -Y-
>
>
> On Wed, Feb 19, 2014 at 4:38 AM, <[email protected]> wrote:
>
>> Send Rust-dev mailing list submissions to
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>>
>> Today's Topics:
>>
>>    1.  lib: Datetime library (Alfredos (fredy) Damkalis)
>>    2.  RFC: About the library stabilization process (Brian Anderson)
>>    3. Re:  RFC: About the library stabilization process (Huon Wilson)
>>    4. Re:  issue numbers in commit messages (Benjamin Striegel)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Tue, 18 Feb 2014 23:52:45 +0200
>> From: "Alfredos (fredy) Damkalis" <[email protected]>
>> To: [email protected]
>> Subject: [rust-dev] lib: Datetime library
>> Message-ID: <[email protected]>
>> Content-Type: text/plain; charset=ISO-8859-1
>>
>> Hi everyone,
>>
>> I am new to rust and interested in writing datetime library.
>>
>> I have already read most of the linked documents and code gathered by
>> Luis de Bethencourt and others in wiki page [1].
>>
>> I have also read the thread [2] where Luis offered his help on writing
>> this library. I have talked to Luis and unfortunately he is busy these
>> days, so I have offered to continue his work.
>>
>> Searching about datetime libraries ended up to JSR 310 [3] which was
>> also mentioned in the previous thread [2]. This specification is in
>> final draft state and it seems to be the most complete one out there
>> about datetime libraries. You can take a quick look at its basic ideas
>> in a recent article [4] in java magazine.
>>
>> I am also aware of Ted Horst's work[5] where the last commits look like
>> maintenance work. I am not sure if he is going to expand his library,
>> unfortunately I didn't have the chance to talk to him.
>>
>> So I would like to know if anyone else working on this and to read your
>> comments on the JSR 310 choice.
>>
>> Thank you,
>> fredy
>>
>> [1] https://github.com/mozilla/rust/wiki/Lib-datetime
>> [2]
>> https://mail.mozilla.org/pipermail/rust-dev/2013-September/005528.html
>> [3] https://jcp.org/en/jsr/detail?id=310
>> [4]
>>
>> http://www.oracle.com/technetwork/articles/java/jf14-date-time-2125367.html
>> [5] https://github.com/tedhorst/rust_datetime
>>
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Tue, 18 Feb 2014 17:40:26 -0800
>> From: Brian Anderson <[email protected]>
>> To: "[email protected]" <[email protected]>
>> Subject: [rust-dev] RFC: About the library stabilization process
>> Message-ID: <[email protected]>
>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>
>> Hey there.
>>
>> I'd like to start the long process of stabilizing the libraries, and
>> this is the opening salvo. This process and the tooling to support it
>> has been percolating on the issue tracker for a while, but this is a
>> summary of how I expect it to work. Assuming everybody feels good about
>> it, we'll start trying to make some simple API's stable starting later
>> this week or next.
>>
>>
>> # What is the stability index and stability attributes?
>>
>> The stability index is a way of tracking, at the item level, which
>> library features are safe to use backwards-compatibly. The intent is
>> that the checks for stability catch all backwards-incompatible uses of
>> library features. Between feature gates and stability
>>
>> The stability index of any particular item can be manually applied with
>> stability attributes, like `#[unstable]`.
>>
>> These definitions are taken directly from the node.js documentation.
>> node.js additionally defines the 'locked' and 'frozen' levels, but I
>> don't think we need them yet.
>>
>> * Stability: 0 - Deprecated
>>
>>      This feature is known to be problematic, and changes are
>>      planned.  Do not rely on it.  Use of the feature may cause
>> warnings.  Backwards
>>      compatibility should not be expected.
>>
>> * Stability: 1 - Experimental
>>
>>      This feature was introduced recently, and may change
>>      or be removed in future versions.  Please try it out and provide
>> feedback.
>>      If it addresses a use-case that is important to you, tell the node
>> core team.
>>
>> * Stability: 2 - Unstable
>>
>>      The API is in the process of settling, but has not yet had
>>      sufficient real-world testing to be considered stable.
>> Backwards-compatibility
>>      will be maintained if reasonable.
>>
>> * Stability: 3 - Stable
>>
>>      The API has proven satisfactory, but cleanup in the underlying
>>      code may cause minor changes.  Backwards-compatibility is guaranteed.
>>
>> Crucially, once something becomes 'stable' its interface can no longer
>> change outside of extenuating circumstances - reviewers will need to be
>> vigilant about this.
>>
>> All items may have a stability index: crates, modules, structs, enums,
>> typedefs, fns, traits, impls, extern blocks;
>> extern statics and fns, methods (of inherent impls only).
>>
>> Implementations of traits may have their own stability index, but their
>> methods have the same stability as the trait's.
>>
>>
>> # How is the stability index determined and checked?
>>
>> First, if the node has a stability attribute then it has that stability
>> index.
>>
>> Second, the AST is traversed and stability index is propagated downward
>> to any indexable node that isn't explicitly tagged.
>>
>> Reexported items maintain the stability they had in their original
>> location.
>>
>> By default all nodes are *stable* - library authors have to opt-in to
>> stability index tracking. This may end up being the wrong default and
>> we'll want to revisit.
>>
>> During compilation the stabilization lint does at least the following
>> checks:
>>
>> * All components of all paths, in all syntactic positions are checked,
>> including in
>>    * use statements
>>    * trait implementation and inheritance
>>    * type parameter bounds
>> * Casts to traits - checks the trait impl
>> * Method calls - checks the method stability
>>
>> Note that not all of this is implemented, and we won't have complete
>> tool support to start with.
>>
>>
>> # What's the process for promoting libraries to stable?
>>
>> For 1.0 we're mostly concerned with promoting large portions of std to
>> stable; most of the other libraries can be experimental or unstable.
>> It's going to be a lengthy process, and it's going to require some
>> iteration to figure out how it works best.
>>
>> The process 'leader' for a particular module will post a stabilization
>> RFC to the mailing list. Within, she will state the API's under
>> discussion, offer an overview of their functionality, the patterns used,
>> related API's and the patterns they use, and finally offer specific
>> suggestions about how the API needs to be improved or not before it's
>> final. If she can confidently recommend that some API's can be tagged
>> stable as-is then that helps everybody.
>>
>> After a week of discussion she will summarize the consensus, tag
>> anything as stable that already has agreement, file and nominate issues
>> for the remaining, and ensure that *somebody makes the changes*.
>>
>> During this process we don't necessarily need to arrive at a plan to
>> stabilize everything that comes up; we just need to get the most crucial
>> features stable, and make continual progress.
>>
>> We'll start by establishing a stability baseline, tagging most
>> everything experimental or unstable, then proceed to the very simplest
>> modules, like 'mem', 'ptr', 'cast', 'raw'.
>>
>>
>>
>> ------------------------------
>>
>> Message: 3
>> Date: Wed, 19 Feb 2014 13:54:21 +1100
>> From: Huon Wilson <[email protected]>
>> To: [email protected]
>> Subject: Re: [rust-dev] RFC: About the library stabilization process
>> Message-ID: <[email protected]>
>> Content-Type: text/plain; charset=UTF-8; format=flowed
>>
>> There are some docs for these attributes:
>> http://static.rust-lang.org/doc/master/rust.html#stability (which may
>> need to be updated as we formalise exactly what each one means, and so
>> on.)
>>
>> And, FWIW, the default currently implemented is unmarked nodes are
>> unstable: that is, putting #[deny(unstable)] on an item will emit errors
>> at the uses of functions etc. that lack an explicit stability attribute.
>>
>> Huon
>>
>>
>> On 19/02/14 12:40, Brian Anderson wrote:
>> > Hey there.
>> >
>> > I'd like to start the long process of stabilizing the libraries, and
>> > this is the opening salvo. This process and the tooling to support it
>> > has been percolating on the issue tracker for a while, but this is a
>> > summary of how I expect it to work. Assuming everybody feels good
>> > about it, we'll start trying to make some simple API's stable starting
>> > later this week or next.
>> >
>> >
>> > # What is the stability index and stability attributes?
>> >
>> > The stability index is a way of tracking, at the item level, which
>> > library features are safe to use backwards-compatibly. The intent is
>> > that the checks for stability catch all backwards-incompatible uses of
>> > library features. Between feature gates and stability
>> >
>> > The stability index of any particular item can be manually applied
>> > with stability attributes, like `#[unstable]`.
>> >
>> > These definitions are taken directly from the node.js documentation.
>> > node.js additionally defines the 'locked' and 'frozen' levels, but I
>> > don't think we need them yet.
>> >
>> > * Stability: 0 - Deprecated
>> >
>> >     This feature is known to be problematic, and changes are
>> >     planned.  Do not rely on it.  Use of the feature may cause
>> > warnings.  Backwards
>> >     compatibility should not be expected.
>> >
>> > * Stability: 1 - Experimental
>> >
>> >     This feature was introduced recently, and may change
>> >     or be removed in future versions.  Please try it out and provide
>> > feedback.
>> >     If it addresses a use-case that is important to you, tell the node
>> > core team.
>> >
>> > * Stability: 2 - Unstable
>> >
>> >     The API is in the process of settling, but has not yet had
>> >     sufficient real-world testing to be considered stable.
>> > Backwards-compatibility
>> >     will be maintained if reasonable.
>> >
>> > * Stability: 3 - Stable
>> >
>> >     The API has proven satisfactory, but cleanup in the underlying
>> >     code may cause minor changes.  Backwards-compatibility is
>> guaranteed.
>> >
>> > Crucially, once something becomes 'stable' its interface can no longer
>> > change outside of extenuating circumstances - reviewers will need to
>> > be vigilant about this.
>> >
>> > All items may have a stability index: crates, modules, structs, enums,
>> > typedefs, fns, traits, impls, extern blocks;
>> > extern statics and fns, methods (of inherent impls only).
>> >
>> > Implementations of traits may have their own stability index, but
>> > their methods have the same stability as the trait's.
>> >
>> >
>> > # How is the stability index determined and checked?
>> >
>> > First, if the node has a stability attribute then it has that
>> > stability index.
>> >
>> > Second, the AST is traversed and stability index is propagated
>> > downward to any indexable node that isn't explicitly tagged.
>> >
>> > Reexported items maintain the stability they had in their original
>> > location.
>> >
>> > By default all nodes are *stable* - library authors have to opt-in to
>> > stability index tracking. This may end up being the wrong default and
>> > we'll want to revisit.
>> >
>> > During compilation the stabilization lint does at least the following
>> > checks:
>> >
>> > * All components of all paths, in all syntactic positions are checked,
>> > including in
>> >   * use statements
>> >   * trait implementation and inheritance
>> >   * type parameter bounds
>> > * Casts to traits - checks the trait impl
>> > * Method calls - checks the method stability
>> >
>> > Note that not all of this is implemented, and we won't have complete
>> > tool support to start with.
>> >
>> >
>> > # What's the process for promoting libraries to stable?
>> >
>> > For 1.0 we're mostly concerned with promoting large portions of std to
>> > stable; most of the other libraries can be experimental or unstable.
>> > It's going to be a lengthy process, and it's going to require some
>> > iteration to figure out how it works best.
>> >
>> > The process 'leader' for a particular module will post a stabilization
>> > RFC to the mailing list. Within, she will state the API's under
>> > discussion, offer an overview of their functionality, the patterns
>> > used, related API's and the patterns they use, and finally offer
>> > specific suggestions about how the API needs to be improved or not
>> > before it's final. If she can confidently recommend that some API's
>> > can be tagged stable as-is then that helps everybody.
>> >
>> > After a week of discussion she will summarize the consensus, tag
>> > anything as stable that already has agreement, file and nominate
>> > issues for the remaining, and ensure that *somebody makes the changes*.
>> >
>> > During this process we don't necessarily need to arrive at a plan to
>> > stabilize everything that comes up; we just need to get the most
>> > crucial features stable, and make continual progress.
>> >
>> > We'll start by establishing a stability baseline, tagging most
>> > everything experimental or unstable, then proceed to the very simplest
>> > modules, like 'mem', 'ptr', 'cast', 'raw'.
>> >
>> > _______________________________________________
>> > Rust-dev mailing list
>> > [email protected]
>> > https://mail.mozilla.org/listinfo/rust-dev
>>
>>
>>
>> ------------------------------
>>
>> Message: 4
>> Date: Tue, 18 Feb 2014 22:38:02 -0500
>> From: Benjamin Striegel <[email protected]>
>> Cc: "[email protected]" <[email protected]>
>> Subject: Re: [rust-dev] issue numbers in commit messages
>> Message-ID:
>>         <
>> caavrl-kyjprudicyqlnhrtp2e5zhmf1ywn96wn35bjrlbmv...@mail.gmail.com>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>> Having read this week's meeting notes on this topic:
>>
>> > we'll get bors to warn people about not putting the issue number in
>> commit messages
>>
>> Can anyone elaborate on what this will entail? By "commit message" do you
>> mean the honest-to-god git commit message, or the Github PR message, or
>> both? What form will the warning take, and how easy will it be to ignore
>> it
>> in order to accomodate one-off contributors submitting typo fixes?
>>
>>
>> On Tue, Feb 18, 2014 at 8:06 AM, Huon Wilson <[email protected]> wrote:
>>
>> >  I wrote a quick & crappy script that automates going from commit -> PR:
>> >
>> >     #!/bin/sh
>> >
>> >     if [ $# -eq 0 ]; then
>> >         echo 'Usage: which-pr COMMIT'
>> >         exit 0
>> >     fi
>> >
>> >     git log master ^$1 --ancestry-path --oneline --merges | \
>> >         tail -1 | \
>> >         sed 's@.*#\([0-9]*\) : .*@
>> http://github.com/mozilla/rust/pull/\1@'
>> >
>> > Putting this in your path gives:
>> >
>> >     $ which-pr 6555b04
>> >     http://github.com/mozilla/rust/pull/12345
>> >
>> >     $ which-pr a02b10a0621adfe36eb3cc2e46f45fc7ccdb7ea2
>> >     http://github.com/mozilla/rust/pull/12162
>> >
>> > Of course, I'm sure there are corner cases that don't work, and it's
>> > definitely not as usable as something directly encoded in the commit.
>> >
>> >
>> > Huon
>> >
>> >
>> >
>> > On 18/02/14 13:17, Nick Cameron wrote:
>> >
>> >  Right, that is exactly what I want to see, just on every commit. For
>> > example,
>> >
>> https://github.com/mozilla/rust/commit/a02b10a0621adfe36eb3cc2e46f45fc7ccdb7ea2
>> .
>> > has none of that info and I can't see any way to get it (without the
>> kind
>> > of Git-fu suggested earlier). (Well, I can actually see that
>> r=nikomatsakis
>> > from the comments at the bottom, but I can't see how that r+ came about,
>> > whether there was any discussion, whether there was an issue where this
>> was
>> > discussed or not, etc.).
>> >
>> >
>> > On Tue, Feb 18, 2014 at 3:02 PM, Corey Richardson <[email protected]
>> >wrote:
>> >
>> >>
>> >>
>> https://github.com/mozilla/rust/commit/25147b2644ed569f16f22dc02d10a0a9b7b97c7e
>> >> seems to provide all of the information you are asking for? It
>> >> includes the text of the PR description, the PR number, the name of
>> >> the branch, and who reviewed it. I agree with your premise but I'm not
>> >> sure I agree that the current situation isn't adequate. But I wouldn't
>> >> be opposed to such a change.
>> >>
>> >> On Mon, Feb 17, 2014 at 8:54 PM, Nick Cameron <[email protected]>
>> wrote:
>> >> > Whether we need issues for PRs is a separate discussion. There has
>> to be
>> >> > _something_ for every commit - either a PR or an issue, at the least
>> >> there
>> >> > needs to be an r+ somewhere. I would like to see who reviewed
>> something
>> >> so I
>> >> > can ping someone with questions other than the author (if they are
>> >> offline).
>> >> > Any discussion is likely to be useful.
>> >> >
>> >> > So the question is how to find that, when necessary. GitHub sometimes
>> >> fails
>> >> > to point to the info. And when it does, you do not know if you are
>> >> missing
>> >> > more info. For the price of 6 characters in the commit message (or
>> "no
>> >> > issue"), we know with certainty where to find that info and that we
>> are
>> >> not
>> >> > missing other potentially useful info. This would not slow down
>> >> development
>> >> > in any way.
>> >> >
>> >> > Note that this is orthogonal to use of version control - you still
>> need
>> >> to
>> >> > know Git in order to get the commit message - it is about how one
>> can go
>> >> > easily from a commit message to meta-data about a commit.
>> >> >
>> >> >
>> >> > On Tue, Feb 18, 2014 at 12:53 PM, Kevin Ballard <[email protected]>
>> wrote:
>> >> >>
>> >> >> This is not going to work in the slightest.
>> >> >>
>> >> >> Most PRs don't have an associated issue. The pull request is the
>> issue.
>> >> >> And that's perfectly fine. There's no need to file an issue separate
>> >> from
>> >> >> the PR itself. Requiring a referenced issue for every single commit
>> >> would be
>> >> >> extremely cumbersome, serve no real purpose aside from aiding an
>> >> >> unwillingness to learn how source control works, and would probably
>> >> slow
>> >> >> down the rate of development of Rust.
>> >> >>
>> >> >> -Kevin
>> >> >>
>> >> >> On Feb 17, 2014, at 3:50 PM, Nick Cameron <[email protected]>
>> wrote:
>> >> >>
>> >> >> At worst you could just use the issue number for the PR. But I think
>> >> all
>> >> >> non-trivial commits _should_ have an issue associated. For really
>> tiny
>> >> >> commits we could allow "no issue" or '#0' in the message. Just so
>> long
>> >> as
>> >> >> the author is being explicit, I think that is OK.
>> >> >>
>> >> >>
>> >> >> On Tue, Feb 18, 2014 at 12:16 PM, Scott Lawrence <[email protected]>
>> >> wrote:
>> >> >>>
>> >> >>> Maybe I'm misunderstanding? This would require that all commits be
>> >> >>> specifically associated with an issue. I don't have actual stats,
>> but
>> >> >>> briefly skimming recent commits and looking at the issue tracker, a
>> >> lot of
>> >> >>> commits can't be reasonably associated with an issue. This
>> >> requirement would
>> >> >>> either force people to create fake issues for each commit, or to
>> >> reference
>> >> >>> tangentially-related or overly-broad issues in commit messages,
>> >> neither of
>> >> >>> which is very useful.
>> >> >>>
>> >> >>> Referencing any conversation that leads to or influences a commit
>> is a
>> >> >>> good idea, but something this inflexible doesn't seem right.
>> >> >>>
>> >> >>> My 1.5?.
>> >> >>>
>> >> >>>
>> >> >>> On Tue, 18 Feb 2014, Nick Cameron wrote:
>> >> >>>
>> >> >>>> How would people feel about a requirement for all commit messages
>> to
>> >> >>>> have
>> >> >>>> an issue number in them? And could we make bors enforce that?
>> >> >>>>
>> >> >>>> The reason is that GitHub is very bad at being able to trace back
>> a
>> >> >>>> commit
>> >> >>>> to the issue it fixes (sometimes it manages, but not always). Not
>> >> being
>> >> >>>> able to find the discussion around a commit is extremely annoying.
>> >> >>>>
>> >> >>>> Cheers, Nick
>> >> >>>>
>> >> >>>
>> >> >>> --
>> >> >>> Scott Lawrence
>> >> >>
>> >> >>
>> >> >> _______________________________________________
>> >> >> Rust-dev mailing list
>> >> >> [email protected]
>> >> >> https://mail.mozilla.org/listinfo/rust-dev
>> >> >>
>> >> >>
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > Rust-dev mailing list
>> >> > [email protected]
>> >> > https://mail.mozilla.org/listinfo/rust-dev
>> >> >
>> >>
>> >
>> >
>> >
>> > _______________________________________________
>> > Rust-dev mailing [email protected]://
>> mail.mozilla.org/listinfo/rust-dev
>> >
>> >
>> >
>> > _______________________________________________
>> > Rust-dev mailing list
>> > [email protected]
>> > https://mail.mozilla.org/listinfo/rust-dev
>> >
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