I am trying to create a generic interface to arrays. Most
operations except those on elements of slices.
Code:
class Table(T) {
T[] data;
this(T[] data) {
this.data = data;
}
auto ref opSlice(size_t x, size_t y) {
return new
On 22/01/16 2:11 AM, W.J. wrote:
Hi everybody!
I'm new to D and trying to wrap my head around ranges.
For a start I'm trying to take a input string and transform it, group
it, etc.
After each step I inspect the result.
It works fine until step 3 where all of a sudden, after write(ln)ing the
On Thursday, 21 January 2016 at 13:15:46 UTC, Rikki Cattermole
wrote:
Ok so input ranges.
An input range is a little bit like an iterator (if you know
what that is).
When an input range has been read fully, it is empty aka no
longer has any values associated with it.
writeln, reads an
On Thursday, 21 January 2016 at 10:40:39 UTC, data pulverizer
wrote:
On Thursday, 21 January 2016 at 10:20:12 UTC, Rikki Cattermole
wrote:
Okay without registering not gonna get that data.
So usual things to think about, did you turn on release mode?
What about inlining?
Lastly how about
On Wednesday, 20 January 2016 at 16:01:11 UTC, Dibyendu Majumdar
wrote:
Hi,
I am trying to understand the options for distributing a D app
to users. My assumption is that only the shared libraries and
binaries need to be distributed, and I need to include the D
libraries. Is this correct?
On Thursday, 21 January 2016 at 09:39:30 UTC, data pulverizer
wrote:
StopWatch sw;
sw.start();
auto buffer = std.file.readText("Acquisition_2009Q2.txt");
auto records = csvReader!row_type(buffer, '|').array;
sw.stop();
Is it csvReader or readText that is slow? i.e. could you move
On Thursday, 21 January 2016 at 13:26:15 UTC, W.J. wrote:
On Wednesday, 20 January 2016 at 16:01:11 UTC, Dibyendu
Majumdar wrote:
Hi,
I am trying to understand the options for distributing a D app
to users. My assumption is that only the shared libraries and
binaries need to be distributed,
On Thursday, 21 January 2016 at 11:08:18 UTC, Ali Çehreli wrote:
On 01/21/2016 02:40 AM, data pulverizer wrote:
dmd -release -inline code.d
These two as well please:
-O -boundscheck=off
the ingest of files and
speed of calculation is very important to me.
We should understand why D is
On Thursday, 21 January 2016 at 11:15:22 UTC, abad wrote:
I am trying to create a generic interface to arrays. Most
operations except those on elements of slices.
Code:
class Table(T) {
T[] data;
this(T[] data) {
this.data = data;
}
auto ref
On 01/21/2016 02:40 AM, data pulverizer wrote:
dmd -release -inline code.d
These two as well please:
-O -boundscheck=off
the ingest of files and
speed of calculation is very important to me.
We should understand why D is slow in this case. :)
Ali
Hi everybody!
I'm new to D and trying to wrap my head around ranges.
For a start I'm trying to take a input string and transform it,
group it, etc.
After each step I inspect the result.
It works fine until step 3 where all of a sudden, after
write(ln)ing the result, "step3" holds an array of
I have been reading large text files with D's csv file reader and
have found it slow compared to R's read.table function which is
not known to be particularly fast. Here I am reading Fannie Mae
mortgage acquisition data which can be found here
On Thursday, 21 January 2016 at 10:20:12 UTC, Rikki Cattermole
wrote:
Okay without registering not gonna get that data.
So usual things to think about, did you turn on release mode?
What about inlining?
Lastly how about disabling the GC?
import core.memory : GC;
GC.disable();
dmd -release
On 21/01/16 10:39 PM, data pulverizer wrote:
I have been reading large text files with D's csv file reader and have
found it slow compared to R's read.table function which is not known to
be particularly fast. Here I am reading Fannie Mae mortgage acquisition
data which can be found here
On Thursday, 21 January 2016 at 14:32:52 UTC, Saurabh Das wrote:
On Thursday, 21 January 2016 at 13:42:11 UTC, Edwin van Leeuwen
wrote:
On Thursday, 21 January 2016 at 09:39:30 UTC, data pulverizer
wrote:
StopWatch sw;
sw.start();
auto buffer =
On Thursday, 21 January 2016 at 14:39:43 UTC, Adam D. Ruppe wrote:
On Thursday, 21 January 2016 at 14:35:09 UTC, Sebastiaan Koppe
wrote:
static if (!is(SomethingUndefined!moreUndefined[0] :
UndefinedThing))
Yes, the is expression returns false for undefined things
because they aren't types.
On Thursday, 21 January 2016 at 14:56:13 UTC, Saurabh Das wrote:
On Thursday, 21 January 2016 at 14:32:52 UTC, Saurabh Das wrote:
On Thursday, 21 January 2016 at 13:42:11 UTC, Edwin van
Leeuwen wrote:
On Thursday, 21 January 2016 at 09:39:30 UTC, data pulverizer
wrote:
StopWatch sw;
On Thursday, 21 January 2016 at 14:03:03 UTC, FreeSlave wrote:
On Thursday, 21 January 2016 at 13:26:15 UTC, W.J. wrote:
On Wednesday, 20 January 2016 at 16:01:11 UTC, Dibyendu
Majumdar wrote:
[...]
Hi,
On Linux you can use 'ldd' to print shared library
dependencies.
On Windows you can
On Thursday, 21 January 2016 at 13:42:11 UTC, Edwin van Leeuwen
wrote:
On Thursday, 21 January 2016 at 09:39:30 UTC, data pulverizer
wrote:
StopWatch sw;
sw.start();
auto buffer = std.file.readText("Acquisition_2009Q2.txt");
auto records = csvReader!row_type(buffer, '|').array;
module undefined;
unittest
{
static if (!is(SomethingUndefined!moreUndefined[0] :
UndefinedThing))
{
pragma(msg,"This will compile just fine!");
}
}
On Thursday, 21 January 2016 at 15:17:08 UTC, data pulverizer
wrote:
On Thursday, 21 January 2016 at 14:56:13 UTC, Saurabh Das wrote:
On Thursday, 21 January 2016 at 14:32:52 UTC, Saurabh Das
Actually since you're aiming for speed, this might be better:
sw.start();
auto records =
On 22/01/16 3:07 AM, W.J. wrote:
On Thursday, 21 January 2016 at 13:15:46 UTC, Rikki Cattermole wrote:
Ok so input ranges.
An input range is a little bit like an iterator (if you know what that
is).
When an input range has been read fully, it is empty aka no longer has
any values associated
On Thursday, 21 January 2016 at 14:35:09 UTC, Sebastiaan Koppe
wrote:
static if (!is(SomethingUndefined!moreUndefined[0] :
UndefinedThing))
Yes, the is expression returns false for undefined things because
they aren't types. The standard library uses this in a lot of
places to test for
On Thursday, 21 January 2016 at 17:00:14 UTC, Andrea Fontana
wrote:
On Thursday, 21 January 2016 at 16:57:26 UTC, W.J. wrote:
You need to port the header file to d. i believe there's the
htod utility, however I haven't used that yet.
You should try with dstep too.
More info here:
I'm trying to understand calling C libraries from D on Windows
with DMD. I made a simple example and compiled it with a static
library fine (so I've converted the .h file correctly). Then, I
compiled with gcc to a shared library (because I cannot for the
life of me figure out how to do this
On Thursday, 21 January 2016 at 16:25:55 UTC, bachmeier wrote:
On Thursday, 21 January 2016 at 10:48:15 UTC, data pulverizer
wrote:
Running Ubuntu 14.04 LTS
In that case, have you looked at
http://lancebachmeier.com/rdlang/
If this is a serious bottleneck you can solve it with two lines
On Thursday, 21 January 2016 at 17:10:39 UTC, data pulverizer
wrote:
On Thursday, 21 January 2016 at 16:01:33 UTC, wobbles wrote:
Interesting that reading a file is so slow.
Your timings from R, is that including reading the file also?
Yes, its just insane isn't it?
It is insane. Earlier
On Thursday, 21 January 2016 at 15:17:08 UTC, data pulverizer
wrote:
On Thursday, 21 January 2016 at 14:56:13 UTC, Saurabh Das wrote:
On Thursday, 21 January 2016 at 14:32:52 UTC, Saurabh Das
wrote:
[...]
Actually since you're aiming for speed, this might be better:
sw.start();
auto records
On Thursday, 21 January 2016 at 16:57:26 UTC, W.J. wrote:
You need to port the header file to d. i believe there's the
htod utility, however I haven't used that yet.
You should try with dstep too.
More info here:
http://wiki.dlang.org/List_of_Bindings
And here:
On Thursday, 21 January 2016 at 16:57:26 UTC, W.J. wrote:
You need to port the header file to d. i believe there's the
htod utility, however I haven't used that yet.
Then, basically all you have to do is to tell the linker to
link against your C .lib.
Remember that -LC:\folder (for dmd)
On Thursday, 21 January 2016 at 14:36:36 UTC, Rikki Cattermole
wrote:
On 22/01/16 3:07 AM, W.J. wrote:
On Thursday, 21 January 2016 at 13:15:46 UTC, Rikki Cattermole
wrote:
[...]
Thanks for your reply.
So writeln consumes the values in an InputRange. That leads me
to
believe that if I
On Thursday, 21 January 2016 at 16:01:33 UTC, wobbles wrote:
Interesting that reading a file is so slow.
Your timings from R, is that including reading the file also?
Yes, its just insane isn't it?
On Thursday, 21 January 2016 at 11:08:18 UTC, Ali Çehreli wrote:
We should understand why D is slow in this case. :)
Ali
fread source is here:
https://github.com/Rdatatable/data.table/blob/master/src/fread.c
Good luck trying to work through that (which explains why I'm
using D). I don't
On Thursday, 21 January 2016 at 10:48:15 UTC, data pulverizer
wrote:
Running Ubuntu 14.04 LTS
In that case, have you looked at
http://lancebachmeier.com/rdlang/
If this is a serious bottleneck you can solve it with two lines
evalRQ(`x <- fread("Acquisition_2009Q2.txt", sep = "|",
On Thursday, 21 January 2016 at 15:17:08 UTC, data pulverizer
wrote:
On Thursday, 21 January 2016 at 14:56:13 UTC, Saurabh Das wrote:
@Edwin van Leeuwen The csvReader is what takes the most time,
the readText takes 0.229 s
The underlying problem most likely is that csvReader has (AFAIK)
On Thursday, 21 January 2016 at 17:17:52 UTC, Saurabh Das wrote:
On Thursday, 21 January 2016 at 17:10:39 UTC, data pulverizer
wrote:
On Thursday, 21 January 2016 at 16:01:33 UTC, wobbles wrote:
Interesting that reading a file is so slow.
Your timings from R, is that including reading the
On Thu, 21 Jan 2016 18:37:08 +, data pulverizer wrote:
> It's interesting that the output first array is not the same as the
> input
byLine reuses a buffer (for speed) and the subsequent split operation
just returns slices into that buffer. So when byLine progresses to the
next line the
On Thursday, 21 January 2016 at 18:31:17 UTC, data pulverizer
wrote:
Good news and bad new. I was going for something similar to
what you have above and both slash the time alot:
Time (s): 1.024
But now the output is a little garbled. For some reason the
splitter isn't splitting correctly -
On Thursday, 21 January 2016 at 16:14:40 UTC, jmh530 wrote:
I'm trying to understand calling C libraries from D on Windows
with DMD. I made a simple example and compiled it with a static
library fine (so I've converted the .h file correctly). Then, I
compiled with gcc to a shared library
On Thursday, 21 January 2016 at 09:39:30 UTC, data pulverizer
wrote:
I have been reading large text files with D's csv file reader
and have found it slow compared to R's read.table function
This great blog post has an optimized FastReader for CSV files:
On Thursday, 21 January 2016 at 16:14:40 UTC, jmh530 wrote:
I'm trying to understand calling C libraries from D on Windows
with DMD. I made a simple example and compiled it with a static
library fine (so I've converted the .h file correctly). Then, I
compiled with gcc to a shared library
On Thursday, 21 January 2016 at 22:09:47 UTC, jmh530 wrote:
The -L/LIBPATH:c:\lib gives me an error that
OPTLINK : Warning 9: Unknown Option : LIBPATH
and then gives the path I put is not found.
At least when it's outputting the text, it's combining
:C:\lib\yourlib.lib
so it seemingly is
On Thursday, 21 January 2016 at 21:24:49 UTC, H. S. Teoh wrote:
[...]
It may be fast but I think it may be related to the fact that
this is not a CSV parser. Don't get me wrong, it is able to parse
a format defined by delimiters but true CSV is one hell of a
beast. Of course most data look
On Thursday, 21 January 2016 at 23:58:35 UTC, H. S. Teoh wrote:
On Thu, Jan 21, 2016 at 11:29:49PM +, data pulverizer via
Digitalmars-d-learn wrote:
On Thursday, 21 January 2016 at 21:24:49 UTC, H. S. Teoh wrote:
>On Thu, Jan 21, 2016 at 07:11:05PM +, Jesse Phillips via
>This piqued my
On Thu, Jan 21, 2016 at 10:24:55PM +, Nordlöw via Digitalmars-d-learn wrote:
[...]
> I'm currently only lacking one thing ...namely a way to group the
> parameters of the call to a variadic function based on their offset
> and stride. That is if have
>
> haystack.substitute(x0, y0,
>
How do you create a template that accepts many types.
But overrides just one of them?
Don't want to write out all of the specializations.
Hours of google and I'm sure it's simple...
-=Darrell
On Thursday, 21 January 2016 at 01:36:21 UTC, Nemo wrote:
I don't remember where I saw it, but actually, in static
multi-dimensional arrays, arr[0][1] is next to arr[0][0] in
memory. You can see it with:
void main () {
ubyte [7][5] arr;
import std.stdio : writeln;
writeln ( & arr[0][0],
On Thursday, 21 January 2016 at 22:13:38 UTC, Brad Anderson wrote:
On Thursday, 21 January 2016 at 21:24:49 UTC, H. S. Teoh wrote:
[...]
What about wrapping the slices in a range-like interface that
would unescape the quotes on demand? You could even set a flag
on it during the initial pass
On Thu, 21 Jan 2016 21:54:36 +, Dibyendu Majumdar wrote:
> Is there a way to disable GC in D?
> I am aware of the @nogc qualifier but I would like to completely disable
> GC for the whole app/library.
>
> Regards Dibyendu
In order to suppress GC collections, you can call
On Thursday, 21 January 2016 at 22:20:28 UTC, H. S. Teoh wrote:
On Thu, Jan 21, 2016 at 10:09:24PM +, Jon D via
Digitalmars-d-learn wrote: [...]
FWIW - I've been implementing a few programs manipulating
delimited files, e.g. tab-delimited. Simpler than CSV files
because there is no
On Thu, Jan 21, 2016 at 11:37:34PM +, Darrell Gallion via
Digitalmars-d-learn wrote:
> How do you create a template that accepts many types.
> But overrides just one of them?
> Don't want to write out all of the specializations.
>
> Hours of google and I'm sure it's simple...
[...]
I'm
On Thursday, 21 January 2016 at 22:02:57 UTC, Dibyendu Majumdar
wrote:
On Thursday, 21 January 2016 at 21:55:10 UTC, jmh530 wrote:
For the latter - on Windows 10 b64-bit - I am using following
options for example:
-shared -L/LIBPATH:c:\\lib -L//IMPLIB:mylib.lib
I'm not having any luck
On Thursday, 21 January 2016 at 09:39:30 UTC, data pulverizer
wrote:
I have been reading large text files with D's csv file reader
and have found it slow compared to R's read.table function
which is not known to be particularly fast.
FWIW - I've been implementing a few programs manipulating
On Thursday, 21 January 2016 at 22:54:26 UTC, Dibyendu Majumdar
wrote:
On Thursday, 21 January 2016 at 22:49:06 UTC, jmh530 wrote:
I'm not trying to created a shared library in D. My goal is to
use a shared library from C in D. Right now, I'm working with
a simple test case to make sure I
On Thursday, 21 January 2016 at 22:44:14 UTC, H. S. Teoh wrote:
Hi - I want to be sure that my code is not allocating memory
via the GC allocator; but when shipping I don't need to
disable GC - it is mostly a development check.
I want to manage all memory allocation manually via
malloc/free.
On Thu, Jan 21, 2016 at 11:03:23PM +, cym13 via Digitalmars-d-learn wrote:
> On Thursday, 21 January 2016 at 21:24:49 UTC, H. S. Teoh wrote:
> >[...]
>
> It may be fast but I think it may be related to the fact that this is
> not a CSV parser. Don't get me wrong, it is able to parse a format
On Thursday, 21 January 2016 at 21:24:49 UTC, H. S. Teoh wrote:
[snip]
There are some limitations to this approach: while the current
code does try to unwrap quoted values in the CSV, it does not
correctly parse escaped double quotes ("") in the fields. This
is because to process those values
On Thursday, 21 January 2016 at 21:54:36 UTC, Dibyendu Majumdar
wrote:
Is there a way to disable GC in D?
I am aware of the @nogc qualifier but I would like to
completely disable GC for the whole app/library.
Regards
Dibyendu
You should read the core.memory.GC section (
On Thursday, 21 January 2016 at 21:24:49 UTC, H. S. Teoh wrote:
On Thu, Jan 21, 2016 at 07:11:05PM +, Jesse Phillips via
This piqued my interest today, so I decided to take a shot at
writing a fast CSV parser. First, I downloaded a sample large
CSV file from: [...]
Hi H. S. Teoh, I
Hi
I have C code where the struct has a trailing array member:
struct matrix {
int rows;
int cols;
double data[1];
};
In C code this is allocated dynamically to be variable size. The
array is used just as normal.
How should this be translated to D? Will D's array access allow
data
Is there a way to disable GC in D?
I am aware of the @nogc qualifier but I would like to completely
disable GC for the whole app/library.
Regards
Dibyendu
On Thursday, 21 January 2016 at 22:34:43 UTC, cym13 wrote:
Out of curiosity, why would you force not being able to
allocate memory?
Hi - I want to be sure that my code is not allocating memory via
the GC allocator; but when shipping I don't need to disable GC -
it is mostly a development
On Thu, Jan 21, 2016 at 11:29:49PM +, data pulverizer via
Digitalmars-d-learn wrote:
> On Thursday, 21 January 2016 at 21:24:49 UTC, H. S. Teoh wrote:
> >On Thu, Jan 21, 2016 at 07:11:05PM +, Jesse Phillips via This piqued
> >my interest today, so I decided to take a shot at writing a
On 01/21/2016 03:37 PM, Darrell Gallion wrote:
How do you create a template that accepts many types.
But overrides just one of them?
Don't want to write out all of the specializations.
Hours of google and I'm sure it's simple...
-=Darrell
The straightforward approach is tricky because the ':
On Thursday, 21 January 2016 at 22:23:36 UTC, jmh530 wrote:
Thanks. I had been trying to get 32bit code to work. I don't
think I did anything special with gcc to compile the dll as
64bit. Anyway, this is what I get when I try it again (stuff in
brackets I replaced).
C:>dmd -m64 .d
On Thu, Jan 21, 2016 at 10:43:31PM +, Dibyendu Majumdar via
Digitalmars-d-learn wrote:
> On Thursday, 21 January 2016 at 22:34:43 UTC, cym13 wrote:
> >Out of curiosity, why would you force not being able to allocate
> >memory?
>
> Hi - I want to be sure that my code is not allocating memory
On Thursday, 21 January 2016 at 22:49:06 UTC, jmh530 wrote:
I'm not trying to created a shared library in D. My goal is to
use a shared library from C in D. Right now, I'm working with a
simple test case to make sure I could understand it before
working with the actual shared library I want
On Thu, Jan 21, 2016 at 07:11:05PM +, Jesse Phillips via
Digitalmars-d-learn wrote:
> On Thursday, 21 January 2016 at 09:39:30 UTC, data pulverizer wrote:
> >R takes about half as long to read the file. Both read the data in
> >the "equivalent" type format. Am I doing something incorrect
On Thursday, 21 January 2016 at 20:46:15 UTC, Gerald Jansen wrote:
On Thursday, 21 January 2016 at 09:39:30 UTC, data pulverizer
wrote:
I have been reading large text files with D's csv file reader
and have found it slow compared to R's read.table function
This great blog post has an
On Thursday, 21 January 2016 at 22:35:29 UTC, Dibyendu Majumdar
wrote:
Sorry the option should be -L/IMPLIB:.. - with single slash but
you only need this if you are trying to create a shared library
which presumably you are not?
I believe to create a static library you need to use -lib,
I also added an enhancement request:
https://issues.dlang.org/show_bug.cgi?id=15588
On Thursday, 21 January 2016 at 21:24:49 UTC, H. S. Teoh wrote:
Of course, running without GC collection is not a fair
comparison with std.csv, so I added an option to my benchmark
program to disable the GC for std.csv as well. While the
result was slightly faster, it was still much slower
On Thursday, 21 January 2016 at 21:39:08 UTC, Dibyendu Majumdar
wrote:
Hi I am also new to D and trying to do similar things - i.e.
call a shared library written in C from D, but also create a
shared library in D.
For the latter - on Windows 10 b64-bit - I am using following
options for
On Thu, 21 Jan 2016 14:07:16 +, W.J. wrote:
> So writeln consumes the values in an InputRange. That leads me to
> believe that if I feed an InputRange to foreach, it will consume the
> values, too.
> Did I get that right ?
In general, yes.
Some ranges have value semantics and can be saved
On Thursday, 21 January 2016 at 21:54:36 UTC, Dibyendu Majumdar
wrote:
Is there a way to disable GC in D?
I am aware of the @nogc qualifier but I would like to
completely disable GC for the whole app/library.
Regards
Dibyendu
GC.disable();
This prevents the garbage collector from running
On Thursday, 21 January 2016 at 21:55:10 UTC, jmh530 wrote:
For the latter - on Windows 10 b64-bit - I am using following
options for example:
-shared -L/LIBPATH:c:\\lib -L//IMPLIB:mylib.lib
I'm not having any luck using your options with dmd either
(excluding -shared because I don't
On Thursday, 21 January 2016 at 22:15:13 UTC, Chris Wright wrote:
Finally, you can use gc_setProxy() with a a GC proxy you
create. Have it throw an exception instead of allocating. That
means you will get crashes instead of memory leaks if something
uses the GC when it shouldn't.
On Thursday, 21 January 2016 at 22:14:25 UTC, Dibyendu Majumdar
wrote:
On Thursday, 21 January 2016 at 22:09:47 UTC, jmh530 wrote:
The -L/LIBPATH:c:\lib gives me an error that
OPTLINK : Warning 9: Unknown Option : LIBPATH
and then gives the path I put is not found.
At least when it's
On Thu, Jan 21, 2016 at 10:09:24PM +, Jon D via Digitalmars-d-learn wrote:
[...]
> FWIW - I've been implementing a few programs manipulating delimited
> files, e.g. tab-delimited. Simpler than CSV files because there is no
> escaping inside the data. I've been trying to do this in relatively
>
I'm currently developing a new lazy variadic generic
range/algorithm substitute() at
https://github.com/nordlow/justd/blob/master/substitution.d#L261
I plan to propose for Phobos.
It is meant to be used as
assert(`do_it`.substitute(`_`, ` `,
`d`, `g`,
On Thursday, 21 January 2016 at 22:20:13 UTC, Dibyendu Majumdar
wrote:
On Thursday, 21 January 2016 at 22:15:13 UTC, Chris Wright
wrote:
Finally, you can use gc_setProxy() with a a GC proxy you
create. Have it throw an exception instead of allocating. That
means you will get crashes instead
On Thursday, 21 January 2016 at 23:58:35 UTC, H. S. Teoh wrote:
are there flags that I should be compiling with or some other
thing that I am missing?
Did you supply a main() function? If not, it won't run, because
fastcsv.d is only a module. If you want to run the benchmark,
you'll have to
Dibyendu Majumdar:
On Thursday, 21 January 2016 at 21:52:06 UTC, Dibyendu Majumdar
wrote:
How should this be translated to D? Will D's array access allow
data elements to be accessed beyond the size declared?
Take a look at the code I've written here:
On Thu, Jan 21, 2016 at 11:03:23PM +, cym13 via Digitalmars-d-learn wrote:
> On Thursday, 21 January 2016 at 21:24:49 UTC, H. S. Teoh wrote:
> >[...]
>
> It may be fast but I think it may be related to the fact that this is
> not a CSV parser. Don't get me wrong, it is able to parse a format
On Friday, 22 January 2016 at 01:27:13 UTC, H. S. Teoh wrote:
And now that you mention this, RFC-4180 does not allow doubled
quotes in an unquoted field. I'll take that out of the code (it
improves performance :-D).
Right, re-reading the RFC would have been a great thing. That
said I saw
On Friday, 22 January 2016 at 00:31:01 UTC, Dibyendu Majumdar
wrote:
I tried using htod but got errors as it could not handle the
std C header files (Visual C++).
And probably never will. D doesn't have a preprocessor so it's
kind of hard to automate the process.
How do people work around
On Thu, Jan 21, 2016 at 04:31:03PM -0800, H. S. Teoh via Digitalmars-d-learn
wrote:
> On Thu, Jan 21, 2016 at 04:26:16PM -0800, H. S. Teoh via Digitalmars-d-learn
> wrote:
[...]
> > https://github.com/quickfur/fastcsv
>
> Oh, forgot to mention, the parsing times are still lightning fast
>
On Friday, 22 January 2016 at 00:52:59 UTC, W.J. wrote:
Counter question: What's so bad about the D std library ?
I am trying to create bindings for existing C library so I was
trying to use htod for that.
On Fri, Jan 22, 2016 at 01:13:07AM +, Jesse Phillips via
Digitalmars-d-learn wrote:
> On Thursday, 21 January 2016 at 23:03:23 UTC, cym13 wrote:
> >but in that case external quotes aren't required:
> >
> >number,name,price,comment
> >1,Twilight,150,good friend
> >
On Friday, 22 January 2016 at 02:39:33 UTC, jmh530 wrote:
I tried to create an example that more closely resembles what
is in LearningD (see
https://github.com/aldacron/LearningD/tree/master/Chapter09_Connecting%20D%20with%20C/clib). I created two files
clib.c
#include
int
On Thursday, 21 January 2016 at 23:07:06 UTC, jmh530 wrote:
On Thursday, 21 January 2016 at 22:54:26 UTC, Dibyendu Majumdar
wrote:
On Thursday, 21 January 2016 at 22:49:06 UTC, jmh530 wrote:
I'm not trying to created a shared library in D. My goal is
to use a shared library from C in D.
On Friday, 22 January 2016 at 00:08:56 UTC, Ali Çehreli wrote:
On 01/21/2016 03:37 PM, Darrell Gallion wrote:
How do you create a template that accepts many types.
But overrides just one of them?
Don't want to write out all of the specializations.
Hours of google and I'm sure it's simple...
On Thursday, 21 January 2016 at 23:07:06 UTC, jmh530 wrote:
I ran
dmd -m64 .d -L/LIBPATH: -L
and got
: fatal error LNK1136: invalid or corrupt file
--- errorlevel 1136
At least that's progress.
LNK1136 is for a corrupt or abnormally small file. I did notice
that the original dll was 82kb
On Thu, 21 Jan 2016 21:52:06 +, Dibyendu Majumdar wrote:
> Hi
>
> I have C code where the struct has a trailing array member:
>
> struct matrix {
>int rows;
>int cols;
>double data[1];
> };
>
> In C code this is allocated dynamically to be variable size. The array
> is used
On Friday, 22 January 2016 at 00:43:05 UTC, W.J. wrote:
The GNU linker ld, for instance, uses the -l switch
for adding libraries to link against and -L to add a
search path to look for the libraries passed in with
-l.
If you leave it to the compiler to invoke the linker you need
to
I want everything I do to be memory-safe insofar as possible. One of the
things I'm doing is communicating to REST services using std.net.curl.
std.net.curl isn't marked @safe or @trusted.
Is it possible to have properly memory-safe IO?
On Friday, 22 January 2016 at 02:39:33 UTC, jmh530 wrote:
The LearningD book says that you should compile the libraries
with DMC on Windows, but I can't figure out how to generate a
shared library on DMC. I didn't get the implib error for what I
was working on before.
I feel like getting
On Thu, Jan 21, 2016 at 04:26:16PM -0800, H. S. Teoh via Digitalmars-d-learn
wrote:
> On Thu, Jan 21, 2016 at 11:03:23PM +, cym13 via Digitalmars-d-learn wrote:
> > On Thursday, 21 January 2016 at 21:24:49 UTC, H. S. Teoh wrote:
> > >[...]
> >
> > It may be fast but I think it may be related
I tried using htod but got errors as it could not handle the std
C header files (Visual C++). How do people work around this?
Thanks and Regards
Dibyendu
On Thursday, 21 January 2016 at 21:59:10 UTC, Chris Wright wrote:
On Thu, 21 Jan 2016 14:07:16 +, W.J. wrote:
So writeln consumes the values in an InputRange. That leads me
to
believe that if I feed an InputRange to foreach, it will
consume the
values, too.
Did I get that right ?
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