Timon Gehr:
No. This mustn't be part of the language.
http://d.puremagic.com/issues/show_bug.cgi?id=7989
I agree there are some problems. But not putting this warning in
the default language means such problems will not be faced at the
language level itself too. So maybe no good solutions w
On Wednesday, August 01, 2012 17:07:31 Timon Gehr wrote:
> On 08/01/2012 12:38 PM, bearophile wrote:
> > Regan Heath:
> >> Indeed. IIRC Walter's rationale on things like this has always been
> >> that they belong in 3rd party tools.
> >
> > Walter is not always right.
> >
> >> It's why the DMD fr
On Wed, 01 Aug 2012 15:52:22 +0100, bearophile
wrote:
Regan Heath:
If you make detecting un-used variables a /requirement/ for
implementing a D compiler, you make it that much less likely someone
will write one,
Detecting unused variables can be written as a part of the front-end.
Or i
On 08/01/2012 12:38 PM, bearophile wrote:
Regan Heath:
Indeed. IIRC Walter's rationale on things like this has always been
that they belong in 3rd party tools.
Walter is not always right.
It's why the DMD front end is available for use, so people can create
tools like this, syntax highligh
Regan Heath:
If you make detecting un-used variables a /requirement/ for
implementing a D compiler, you make it that much less likely
someone will write one,
Detecting unused variables can be written as a part of the
front-end. It's meant to be shared by LDC and GDC that use the
same front-
On Wed, 01 Aug 2012 12:03:01 +0100, Andre Tampubolon
wrote:
The Go compiler is able to detect unused variables, and strangely they
are regarded as an error.
It's not really a question of "able" to, or not. I'm sure were Walter to
decide to add this feature to D he would also be "able" t
The Go compiler is able to detect unused variables, and strangely they
are regarded as an error.
On 8/1/2012 5:38 PM, bearophile wrote:
Detecting unused variables is a core feature, it belongs in the
compiler, like compile-time array bound tests and other errors currently
detected by DMD. This
On Wed, 01 Aug 2012 11:38:46 +0100, bearophile
wrote:
Regan Heath:
Indeed. IIRC Walter's rationale on things like this has always been
that they belong in 3rd party tools.
Walter is not always right.
Well, in this case I agree with him. You're not looking at the big
picture. If yo
Regan Heath:
Indeed. IIRC Walter's rationale on things like this has always
been that they belong in 3rd party tools.
Walter is not always right.
It's why the DMD front end is available for use, so people can
create tools like this, syntax highlighters, re-formatters,
dependency tree diag
On Mon, 30 Jul 2012 18:41:51 +0100, Jonathan M Davis
wrote:
On Monday, July 30, 2012 18:50:08 Andrej Mitrovic wrote:
On 7/30/12, Namespace wrote:
> IMO something like this should be integrated into the D compiler.
As long as it's togglable via a compiler switch. :)
Walter doesn't like co
On 07/31/2012 11:55 AM, Minas wrote:
I agree that having the compiler make warnings about unused
variables is a really good idea!!!
Java has it and when I program in eclipse it's really useful
because the editor can highlight the particular lines.
An editor can be configured to point it out ev
I agree that having the compiler make warnings about unused
variables is a really good idea!!!
Java has it and when I program in eclipse it's really useful
because the editor can highlight the particular lines.
Dmitry Olshansky:
I'm seeing the same argument over and over again :)
most D programmers.
What do you look for? A language designed for 5-10% of its users?
No thanks.
Bye,
bearophile
On 31-Jul-12 02:02, bearophile wrote:
Dmitry Olshansky:
"Most people I know" is hardly good enough argument.
The point is that this warning is a basic thing, other compilers have it
and I enjoy it in those languages and putting this feature into external
tools is not going to help
I'm seein
Dmitry Olshansky:
"Most people I know" is hardly good enough argument.
The point is that this warning is a basic thing, other compilers
have it and I enjoy it in those languages and putting this
feature into external tools is not going to help most D
programmers.
I know but DMD won't ha
On 31-Jul-12 01:37, bearophile wrote:
Jonathan M Davis:
This is the sort of thing that's
better left to a lint-like tool IMHO.
Putting it in a lint means people have to know what a lint is, desire to
search it, install, and add its running to their compilation ways.
Just run it once on each
Jonathan M Davis:
This is the sort of thing that's
better left to a lint-like tool IMHO.
Putting it in a lint means people have to know what a lint is,
desire to search it, install, and add its running to their
compilation ways. It also means the lint needs to contain part of
a D compiler.
On Monday, 30 July 2012 at 21:13:42 UTC, Andrej Mitrovic wrote:
On 7/30/12, Namespace wrote:
BTW: Has anyone test my detector and could give me some
suggestions or critism?
I've tried it out and it didn't find any unused variables, but
I doubt
this is true, I'm not very tidy when it comes t
On 7/30/12, Namespace wrote:
> BTW: Has anyone test my detector and could give me some
> suggestions or critism?
>
I've tried it out and it didn't find any unused variables, but I doubt
this is true, I'm not very tidy when it comes to using variables. I do
use a lot of templates so maybe the scri
On 31-Jul-12 00:45, Namespace wrote:
On Monday, 30 July 2012 at 20:06:42 UTC, Dmitry Olshansky wrote:
On 31-Jul-12 00:02, Namespace wrote:
BTW: Has anyone test my detector and could give me some suggestions or
critism?
I haven't tested it but offhand I call it inaccurate :)
I had only cursory
On Monday, 30 July 2012 at 20:06:42 UTC, Dmitry Olshansky wrote:
On 31-Jul-12 00:02, Namespace wrote:
BTW: Has anyone test my detector and could give me some
suggestions or
critism?
I haven't tested it but offhand I call it inaccurate :)
I had only cursory look at it but: regexes are way unde
On 07/30/2012 12:02 PM, Namespace wrote:
> there is no reason which stands against a warning for unused variables.
> Or can you tell me some personal reasons, without quoting Walter?
People comment-out parts of code during development and debugging,
leaving unused variables behind (just for a w
On Monday, July 30, 2012 21:02:14 Namespace wrote:
> That's right. But the majority of programming languages has this
> feature, but D does not. This feature is undeniable effective, so
> IMO there is no reason which stands against a warning for unused
> variables. Or can you tell me some personal
On 31-Jul-12 00:02, Namespace wrote:
BTW: Has anyone test my detector and could give me some suggestions or
critism?
I haven't tested it but offhand I call it inaccurate :)
I had only cursory look at it but: regexes are way underpowered to do
the task and thus false positives and false negativ
BTW: Has anyone test my detector and could give me some
suggestions or critism?
Plenty of the community agrees with him too, much as there may
be some vocal
folks who don't. Regardless, because he's the gatekeeper of the
reference
compiler, he has to be convinced if you want a feature added to
either the
language or the compiler. He's generally quite reasonable, but
he als
On Monday, July 30, 2012 20:39:02 Namespace wrote:
> Jonathan M Davis:
> Walter hates so much things, nearly all what the community wishes
> for: not null types, warnings for unused variables, warnings for
> unused imports and so on.
> It does not only count what he wants but what is useful, IMO.
On Monday, 30 July 2012 at 17:39:31 UTC, bearophile wrote:
Namespace:
I suggest to attach both code and testcases to:
http://d.puremagic.com/issues/show_bug.cgi?id=3960
Done.
I see no attachments :-( Only ephemeral links.
Bye,
bearophile
Sorry, but i can upload only one file. I will uplo
On Monday, July 30, 2012 20:08:12 Andrej Mitrovic wrote:
> On 7/30/12, Jonathan M Davis wrote:
> > Walter doesn't like compiler switches like that
>
> Walter is a big fat phony, count the number of switches here:
> http://www.digitalmars.com/ctg/sc.html#switches
That may be part of _why_ he does
On 7/30/12, Jonathan M Davis wrote:
> Walter doesn't like compiler switches like that
Walter is a big fat phony, count the number of switches here:
http://www.digitalmars.com/ctg/sc.html#switches
:D
On Monday, July 30, 2012 18:50:08 Andrej Mitrovic wrote:
> On 7/30/12, Namespace wrote:
> > IMO something like this should be integrated into the D compiler.
>
> As long as it's togglable via a compiler switch. :)
Walter doesn't like compiler switches like that, and he doesn't like it when
the
Namespace:
I suggest to attach both code and testcases to:
http://d.puremagic.com/issues/show_bug.cgi?id=3960
Done.
I see no attachments :-( Only ephemeral links.
Bye,
bearophile
I suggest to attach both code and testcases to:
http://d.puremagic.com/issues/show_bug.cgi?id=3960
Done.
Namespace:
I think my english isn't good enough to make a persuasive
comment there, but i will try it this evening. I will simply
copy my post above.
Your English skills seems enough, but in the end what's important
is to show that some people care to have for this warning.
Walter is usually
On Monday, 30 July 2012 at 16:47:32 UTC, bearophile wrote:
Namespace:
I wrote a short programm which detect and list unused
variables.
I suggest to attach both code and testcases to:
http://d.puremagic.com/issues/show_bug.cgi?id=3960
Even if your code will never be used, it shows Walter&Andre
On 7/30/12, Namespace wrote:
> IMO something like this should be integrated into the D compiler.
As long as it's togglable via a compiler switch. :)
Namespace:
I wrote a short programm which detect and list unused variables.
I suggest to attach both code and testcases to:
http://d.puremagic.com/issues/show_bug.cgi?id=3960
Even if your code will never be used, it shows Walter&Andrei that
there is interest in having this warning, and test c
I wrote a short programm which detect and list unused variables.
I'm sure it isn't perfect but it passed most of my test cases,
but I think at the moment it isn't good enough to present it in
announce. Maybe some of you have interest to help me. IMO
something like this should be integrated into
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