Ruslan Nikolaev wrote:
Note: I posted this already on runtime D list, but I think that list
was a wrong one for this question. Sorry for duplication :-)
Hi. I am new to D. It looks like D supports 3 types of characters:
char, wchar, dchar. This is cool,
It's wrong, actually.
Pelle pelle.mans...@gmail.com wrote:
On 06/08/2010 08:20 PM, Ruslan Nikolaev wrote:
No. New messages are definitely not created by me. You can verify it
here:
http://blog.gmane.org/gmane.comp.lang.d.general
You can easily see that in none of the top posts (except for the first
one) my
On Wed, 09 Jun 2010 07:22:17 -0400, Simen kjaeraas
simen.kja...@gmail.com wrote:
Pelle pelle.mans...@gmail.com wrote:
On 06/08/2010 08:20 PM, Ruslan Nikolaev wrote:
No. New messages are definitely not created by me. You can verify it
here:
http://blog.gmane.org/gmane.comp.lang.d.general
Ruslan Nikolaev nruslan_de...@yahoo.com wrote in message
news:mailman.127.1275974825.24349.digitalmar...@puremagic.com...
True. But even simple string handling is faster for UTF-16. The time
required to read 2 bytes from UTF-16 string is the same 1 byte from UTF-8.
Generally, we have to
Walter Bright Wrote:
The problem with wchar's is that everyone forgets about surrogate pairs. Most
UTF-16 programs in the wild, including nearly all Java programs, are broken
with
regard to surrogate pairs.
I'm affraid, it will pretty hard to show the bug. I don't know whether java is
Maybe lousy is too strong a word, but aside from
compatibility with other
libs/software that use it (which I'll address separately),
UTF-16 is not
particularly useful compared to UTF-8 and UTF-32:
...
I tried to avoid commenting this because I am afraid we'll stray away from the
main
please use the Reply Button
On 08.06.2010 08:50, Ruslan Nikolaev wrote:
Maybe lousy is too strong a word, but aside from
compatibility with other
libs/software that use it (which I'll address separately),
UTF-16 is not
particularly useful compared to UTF-8 and UTF-32:
...
I tried to avoid
Ruslan Nikolaev nruslan_de...@yahoo.com wrote in message
news:mailman.128.1275979841.24349.digitalmar...@puremagic.com...
Secondly, Java and Windows adapted 16-bit encodings back
when many people
were still under the mistaken impression that would allow
them to hold any
character in one
Nick Sabalausky a...@a.a wrote in message
news:huktq1$8t...@digitalmars.com...
Ruslan Nikolaev nruslan_de...@yahoo.com wrote in message
news:mailman.128.1275979841.24349.digitalmar...@puremagic.com...
In addition, C# has been released already when UTF-16 became variable
length.
Right,
I'm well aware why UTF-32 is useful. Earlier, you had
started out saying
that there should only be one string type, the OS-native
type. Now you're
changing your tune and saying that we do need multiple
types.
No. From the very beginning I said it would also be nice to have some
On 06/08/2010 03:12 AM, Nick Sabalausky wrote:
Nick Sabalauskya...@a.a wrote in message
news:huktq1$8t...@digitalmars.com...
Ruslan Nikolaevnruslan_de...@yahoo.com wrote in message
news:mailman.128.1275979841.24349.digitalmar...@puremagic.com...
In addition, C# has been released already when
On 2010-06-08 04:15:50 -0400, Ruslan Nikolaev nruslan_de...@yahoo.com said:
No. From the very beginning I said it would also be nice to have some
builtin function for conversion to dchar. That means it would be nice
to have function that converts from tchar (regardless of its width) to
Is this what you want?
version (utf16)
alias wchar tchar;
else
alias char tchar;
alias immutable(tchar)[] tstring;
import std.utf;
unittest {
tstring tstr =
hello;
dstring dstr =
toUTF32(tstr);
}
Yes, I think
On 2010-06-08 09:22:02 -0400, Ruslan Nikolaev nruslan_de...@yahoo.com said:
you don't need to provide instances for every other character type, and
at the same time - use native character encoding available on system.
My opinion is thinking this will work is a fallacy. Here's why...
Generally Linux systems use UTF-8 so I guess the system
encoding there will be UTF-8. But then if you start to use
QT you have to use UTF-16, but you might have to intermix
UTF-8 to work with other libraries in the backend (libraries
which are not necessarily D libraries, nor system
please stop top-posting - just click on the post you want to reply and
click then reply - your flooding the newsgroup root with replies ...
Am 08.06.2010 17:11, schrieb Ruslan Nikolaev:
Generally Linux systems use UTF-8 so I guess the system
encoding there will be UTF-8. But then if you
Every time you reply to somebody, a new message is created. Is kinda
difficult to follow this discussion when you need to look more than 15
separated messages about the same issue. Please check your news client or
something.
Yao G.
On Tue, 08 Jun 2010 10:11:34 -0500, Ruslan Nikolaev
Ruslan Nikolaev wrote:
No. From the very beginning I said it would also be nice to have some
builtin function for conversion to dchar. That means it would be nice to
have function that converts from tchar (regardless of its width) to UTF-32.
The reason was always clear - you normally don't need
Every time you reply to somebody, a
new message is created. Is kinda difficult to follow this
discussion when you need to look more than 15 separated
messages about the same issue. Please check your news client
or something.
Yao G.
Sorry for that, I did not know there was some problem
...@digitalmars.com wrote:
From: Walter Bright newshou...@digitalmars.com
Subject: Re: Wide characters support in D
To: digitalmars-d@puremagic.com
Date: Tuesday, June 8, 2010, 8:36 PM
Ruslan Nikolaev wrote:
No. From the very beginning I said it would also be
nice to have some
builtin function
Andrei Alexandrescu seewebsiteforem...@erdani.org wrote in message
news:hul65q$o9...@digitalmars.com...
On 06/08/2010 03:12 AM, Nick Sabalausky wrote:
Nick Sabalauskya...@a.a wrote in message
news:huktq1$8t...@digitalmars.com...
Ruslan Nikolaevnruslan_de...@yahoo.com wrote in message
dennis luehring dl.so...@gmx.net wrote in message
news:hulqni$1ss...@digitalmars.com...
please stop top-posting - just click on the post you want to reply and
click then reply - your flooding the newsgroup root with replies ...
Am 08.06.2010 17:11, schrieb Ruslan Nikolaev:
Generally Linux
: Nick Sabalausky a...@a.a
Subject: Re: Wide characters support in D
To: digitalmars-d@puremagic.com
Date: Tuesday, June 8, 2010, 9:50 PM
dennis luehring dl.so...@gmx.net
wrote in message
news:hulqni$1ss...@digitalmars.com...
please stop top-posting - just click on the post you
want to reply
but - there are serveral others using the web-interface and you
the only power-top-poster around - maybe you should switch over to
thunderbird or something
--- On Tue, 6/8/10, Nick Sabalauskya...@a.a wrote:
From: Nick Sabalauskya...@a.a
Subject: Re: Wide characters support in D
To: digitalmars-d
to other's comments.
Ruslan.
--- On Tue, 6/8/10, dennis luehring dl.so...@gmx.net wrote:
From: dennis luehring dl.so...@gmx.net
Subject: Re: Wide characters support in D
To: digitalmars-d@puremagic.com
Date: Tuesday, June 8, 2010, 10:11 PM
Am 08.06.2010 19:55, schrieb Ruslan
Nikolaev:
Yeah
Ruslan Nikolaev nruslan_de...@yahoo.com wrote in message
news:mailman.134.1276019725.24349.digitalmar...@puremagic.com...
Yeah... Exactly. I just verified our posts via web interface. Why did he
blame me for top posting (at least it can be inferred from that my message
has been addressed to)? I
dennis luehring dl.so...@gmx.net wrote in message
news:hum3fc$2dp...@digitalmars.com...
Am 08.06.2010 20:20, schrieb Ruslan Nikolaev:
No. New messages are definitely not created by me. You can verify it
here:
http://blog.gmane.org/gmane.comp.lang.d.general
You can easily see that in none
Nick Sabalausky a...@a.a wrote in message
news:hum6c8$2j0...@digitalmars.com...
dennis luehring dl.so...@gmx.net wrote in message
news:hum3fc$2dp...@digitalmars.com...
Am 08.06.2010 20:20, schrieb Ruslan Nikolaev:
No. New messages are definitely not created by me. You can verify it
here:
Walter Bright:
The problem with dchar's is strings of them consume
memory at a prodigious rate.
Warning: lazy musings ahead.
I hope we'll soon have computers with 200+ GB of RAM where using strings that
use less than 32-bit chars is in most cases a premature optimization (like
today is
bearophile wrote:
Walter Bright:
The problem with dchar's is strings of them consume memory at a prodigious
rate.
Warning: lazy musings ahead.
I hope we'll soon have computers with 200+ GB of RAM where using strings that
use less than 32-bit chars is in most cases a premature optimization
On 6/8/2010 13:57, bearophile wrote:
I hope we'll soon have computers with 200+ GB of RAM where using
strings that use less than 32-bit chars is in most cases a premature
optimization (like today is often a silly optimization to use arrays
of 16-bit ints instead of 32-bit or 64-bit ints. Only
On 06/08/2010 08:20 PM, Ruslan Nikolaev wrote:
No. New messages are definitely not created by me. You can verify it here:
http://blog.gmane.org/gmane.comp.lang.d.general
You can easily see that in none of the top posts (except for the first one) my
name appears first. In fact, you have just
Rainer Deyke rain...@eldwood.com wrote in message
news:humes8$s...@digitalmars.com...
On 6/8/2010 13:57, bearophile wrote:
I hope we'll soon have computers with 200+ GB of RAM where using
strings that use less than 32-bit chars is in most cases a premature
optimization (like today is often a
Nick Sabalausky a...@a.a wrote in message
news:humfrk$2g...@digitalmars.com...
Rainer Deyke rain...@eldwood.com wrote in message
news:humes8$s...@digitalmars.com...
On 6/8/2010 13:57, bearophile wrote:
I hope we'll soon have computers with 200+ GB of RAM where using
strings that use less
Note: I posted this already on runtime D list, but I think that list was a
wrong one for this question. Sorry for duplication :-)
Hi. I am new to D. It looks like D supports 3 types of characters: char, wchar,
dchar. This is cool, however, I have some questions about it:
1. When we have 2
Ruslan Nikolaev nruslan_de...@yahoo.com wrote:
1. When we have 2 methods (one with wchar[] and another with char[]),
how D will determine which one to use if I pass a string hello world?
String literals in D(2) are of type immutable(char)[] (char[] in D1) by
default, and thus will be handled
Ruslan Nikolaev wrote:
1. When we have 2 methods (one with wchar[] and another with char[]),
how D will determine which one to use if I pass a string hello world?
I asked the same question on the D.learn group recently. Literals like
that don't have a particular encoding. The programmer
On 07/06/10 22:48, Ruslan Nikolaev wrote:
Note: I posted this already on runtime D list, but I think that list
was a wrong one for this question. Sorry for duplication :-)
Hi. I am new to D. It looks like D supports 3 types of characters:
char, wchar, dchar. This is cool, however, I have some
This doesn't answer all your questions and suggestions, but here goes.
In answer to #1, Hello world is a literal of type char[] (or string). If you
want
to use UTF-16 or 32, use Hello worldw and Hello worldd respectively.
In partial answer to #2 and #3, it's generally pretty easy to adapt a
Ok, ok... that was just a suggestion... Thanks, for reply about Hello world
representation. Was postfix w and d added initially or just recently? I did
not know about it. I thought D does automatic conversion for string literals.
Yes, templates may help. However, that unnecessary make code
Ruslan Nikolaev wrote:
Note: I posted this already on runtime D list,
Although D is designed to be fairly agnostic about character types, in practice
I recommend the following:
1. Use the string type for strings, it's char[] on D1 and immutable(char)[] on
D2.
2. Use dchar's to hold
their code to be completely
broken.
Thanks,
Ruslan.
--- On Tue, 6/8/10, Ruslan Nikolaev nruslan_de...@yahoo.com wrote:
From: Ruslan Nikolaev nruslan_de...@yahoo.com
Subject: Re: Wide characters support in D
To: digitalmars.D digitalmars-d@puremagic.com
Date: Tuesday, June 8, 2010, 3:16 AM
On Mon, 07 Jun 2010 17:48:09 -0400, Ruslan Nikolaev
nruslan_de...@yahoo.com wrote:
Note: I posted this already on runtime D list, but I think that list was
a wrong one for this question. Sorry for duplication :-)
Hi. I am new to D. It looks like D supports 3 types of characters: char,
Ruslan Nikolaev nruslan_de...@yahoo.com wrote in message
news:mailman.122.1275952601.24349.digitalmar...@puremagic.com...
Ok, ok... that was just a suggestion... Thanks, for reply about Hello
world representation. Was postfix w and d added initially or just
recently? I did not know about it.
Ruslan Nikolaev wrote:
Just one more addition: it is possible to have built-in function that
converts multibyte (or multiword) char sequence (even though in my proposal
it can be of different size) to dchar (UTF-32) character. Again, my only
point is that it would be nice to have something
It only generates code for the types that are actually
needed. If, for
instance, your progam never uses anything except UTF-8,
then only one
version of the function will be made - the UTF-8
version. If you don't use
every char type, then it doesn't generate it for every char
type -
Steven Schveighoffer wrote:
a function that takes
a char[] can also take a dchar[] if it is sent through a converter (i.e.
toUtf8 on Tango I think).
In Phobos, there are text, wtext, and dtext in std.conv:
/**
Convenience functions for converting any number and types of
arguments into
On Mon, 07 Jun 2010 19:26:02 -0700, Ruslan Nikolaev wrote:
It only generates code for the types that are actually needed. If, for
instance, your progam never uses anything except UTF-8, then only one
version of the function will be made - the UTF-8 version. If you don't
use
every char type,
--- On Tue, 6/8/10, Jesse Phillips jessekphillip...@gmail.com wrote:
I think you really need to look more into what templates
are and do.
Excuse me? Unless templates are something different in D (I can't be 100% sure
since I am new D), it should be the case. At least in C++, that would be
Yes, to clarify what I suggest, I can put it as follows (2 possibilities):
1. Have a special standardized type tchar and tstring. Then, system
libraries as well as users can use this type unless they want to do something
special. There can be a compiler switch to change tchar width
Hello Ruslan,
--- On Tue, 6/8/10, Jesse Phillips jessekphillip...@gmail.com wrote:
I think you really need to look more into what templates are and do.
As I said, for libraries you need to compile
every commonly used instance, so that user will not be burdened with
this overhead.
You only
You only need to do that where you are shipping closed
source and for that, it should be trivial to get the
compiler to generate all three versions.
You will also need to do it in open source projects if you want to include
generated template code into dynamic library as opposed to user's
Ruslan Nikolaev nruslan_de...@yahoo.com wrote in message
news:mailman.124.1275963971.24349.digitalmar...@puremagic.com...
Nick wrote:
It only generates code for the types that are actually
needed. If, for
instance, your progam never uses anything except UTF-8,
then only one
version of the
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