On Friday, 5 January 2018 at 07:40:14 UTC, Brian wrote:
I think code style like:
~~
struct User
{
int id;
string name;
string email;
}
class ORM
{
}
auto db = new ORM;
auto users =
db.select(User).where(email.like("*@hotm
On Friday, 5 January 2018 at 08:34:00 UTC, user789 wrote:
On Friday, 5 January 2018 at 07:40:14 UTC, Brian wrote:
I think code style like:
~~
struct User
{
int id;
string name;
string email;
}
class ORM
{
}
auto db = new
On Thursday, 4 January 2018 at 22:07:39 UTC, user789 wrote:
On Thursday, 4 January 2018 at 20:37:16 UTC, user789 wrote:
On Thursday, 4 January 2018 at 20:28:47 UTC, user789 wrote:
After using the script to setup DMD nightly i read in the
output that i have to
run "source ~/dlang/dmd-master-2018
On Thursday, 4 January 2018 at 21:33:58 UTC, Dukc wrote:
On Saturday, 30 December 2017 at 00:49:48 UTC, user1234 wrote:
The deps have to be rebuild too.
After downloading dmd 78, it started to work. It's likely you
were right about the issue, DUB rebuilt everything after
detecting new compi
On Thursday, 4 January 2018 at 18:49:21 UTC, Ali Çehreli wrote:
On 01/04/2018 08:51 AM, Vino wrote:
> auto read () {
[...]
> return tuple(Ucol1, Ucol2, Ucol3, rSize);
> }
read() returns a tuple of values of different types.
> for(int i = 0; i < Size; i++) {
> typeof(read()[i]) Datacol;
typeof
On Friday, 5 January 2018 at 09:09:00 UTC, Vino wrote:
Thank you very much, can you suggest the best way around this
issue.
What exactly are you trying to do in Master()? The code seems
very broken. Each time you write read[i] is will call read() and
read the whole file, you're going to rea
On Friday, 5 January 2018 at 07:40:14 UTC, Brian wrote:
I think code style like:
db.select(User).where(email.like("*@hotmail.com")).limit(10);
You need to read about templates in D, here's a good guide:
https://github.com/PhilippeSigaud/D-templates-tutorial
Basically you can write a function l
On Monday, 18 December 2017 at 22:49:30 UTC, unleashy wrote:
On Friday, 15 December 2017 at 21:56:48 UTC, Steven
Schveighoffer wrote:
On 12/15/17 10:08 AM, Kagamin wrote:
Maybe this https://issues.dlang.org/show_bug.cgi?id=18084
Thanks for looking into this. I created a PR to fix.
Szabo, can
On Friday, 5 January 2018 at 12:10:33 UTC, thedeemon wrote:
On Friday, 5 January 2018 at 09:09:00 UTC, Vino wrote:
Thank you very much, can you suggest the best way around
this issue.
What exactly are you trying to do in Master()? The code seems
very broken. Each time you write read[i] is w
On Thursday, 4 January 2018 at 19:05:59 UTC, Russel Winder wrote:
Is it the case that, for library things on the Dub repository,
Dub will only create library archives, .a, that it is unable to
create shared objects and DLLs?
If they have "targetType" set to "dynamicLibrary" dub creates
shared
On Friday, 5 January 2018 at 12:40:41 UTC, Vino wrote:
What exactly are you trying to do in Master()?
Please find the full code,
Sorry, I'm asking what problem are you solving, what the program
should do, what is its idea. Not what code you have written.
I'm exploring [0] C++ interop after watching Walter's
presentation [1].
I hit a block with classes as template parameters. This means
vector works, but vector does not. D seems to map
vector!Foo to vector. Likewise shared_ptr is a
problem. Any way to fix that on the D side? The ugly workaroun
On Friday, 5 January 2018 at 12:47:39 UTC, thedeemon wrote:
On Friday, 5 January 2018 at 12:40:41 UTC, Vino wrote:
What exactly are you trying to do in Master()?
Please find the full code,
Sorry, I'm asking what problem are you solving, what the
program should do, what is its idea. Not wha
On Friday, 5 January 2018 at 13:09:25 UTC, Vino wrote:
On Friday, 5 January 2018 at 12:47:39 UTC, thedeemon wrote:
On Friday, 5 January 2018 at 12:40:41 UTC, Vino wrote:
What exactly are you trying to do in Master()?
Please find the full code,
Sorry, I'm asking what problem are you solving
On Friday, 5 January 2018 at 04:10:54 UTC, Steven Schveighoffer
wrote:
Yes, this is undefined behavior.
https://dlang.org/spec/const3.html#removing_with_cast
The compiler assumes x is going to be 5 forever, so instead of
loading the value at that address, it just loads 5 into a
register (or
On Friday, 5 January 2018 at 12:19:11 UTC, thedeemon wrote:
On Friday, 5 January 2018 at 07:40:14 UTC, Brian wrote:
I think code style like:
db.select(User).where(email.like("*@hotmail.com")).limit(10);
You need to read about templates in D, here's a good guide:
https://github.com/PhilippeSiga
On 1/5/18 1:01 AM, Christian Köstlin wrote:
On 04.01.18 20:46, Steven Schveighoffer wrote:
On 1/4/18 1:57 PM, Christian Köstlin wrote:
Thanks Steve,
this runs now faster, I will update the table.
Still a bit irked that I can't match the C speed :/
But, I can't get your C speed to duplicate o
Hi All,
Request your help on how to unset or delete an array, in the
below example, we get an error "Common is already defined".
Auto fn1 () {
Array!string Text;
Array!string Number;
return tuple(Text, Number);
}
Void main () {
static foreach(i; 0 .. 2) {
typeof(fn1()[i]) Common;
writeln(Co
On Friday, January 05, 2018 15:22:49 Vino via Digitalmars-d-learn wrote:
> Hi All,
>
> Request your help on how to unset or delete an array, in the
> below example, we get an error "Common is already defined".
>
> Auto fn1 () {
> Array!string Text;
> Array!string Number;
> return tuple(Text, Num
why does unittest mangled name now contains full file path instead of
fully qualified module name?
seems like a regression, previous behavior seemed better and not
dependent on installation path.
On Friday, 5 January 2018 at 07:40:14 UTC, Brian wrote:
I think code style like:
~~
struct User
{
int id;
string name;
string email;
}
class ORM
{
}
auto db = new ORM;
auto users =
db.select(User).where(email.like("*@hotm
On Friday, 5 January 2018 at 15:28:58 UTC, Jonathan M Davis wrote:
On Friday, January 05, 2018 15:22:49 Vino via
Digitalmars-d-learn wrote:
Hi All,
Request your help on how to unset or delete an array, in the
below example, we get an error "Common is already defined".
Auto fn1 () {
Array!st
see also https://github.com/Syniurge/Calypso/ although I'm having lots
of issues using it on OSX
On Fri, Jan 5, 2018 at 9:02 AM, qznc via Digitalmars-d-learn
wrote:
> I'm exploring [0] C++ interop after watching Walter's presentation [1].
>
> I hit a block with classes as template parameters. Thi
On 1/5/18 10:56 AM, Vino wrote:
On Friday, 5 January 2018 at 15:28:58 UTC, Jonathan M Davis wrote:
On Friday, January 05, 2018 15:22:49 Vino via Digitalmars-d-learn wrote:
Hi All,
Request your help on how to unset or delete an array, in the
below example, we get an error "Common is already
On Fri, Jan 05, 2018 at 03:56:30PM +, Vino via Digitalmars-d-learn wrote:
[...]
> Hi Jonathan,
>
> Sorry , not able to get you, can you please point our as to where we
> need to added the braces in the below example.
Try this:
void main () {
Array!int Keycol;
On Wednesday, 3 January 2018 at 18:33:27 UTC, Ozan wrote:
Hi
Are there any use cases or libraries for using D in Microsoft's
universal windows platform environment? It would be nice to
have XBOX Apps build on D ;-)
Regards Ozan
I made a half functioning winrt wrapper once but eventually I
On Friday, 5 January 2018 at 16:07:49 UTC, Steven Schveighoffer
wrote:
On 1/5/18 10:56 AM, Vino wrote:
On Friday, 5 January 2018 at 15:28:58 UTC, Jonathan M Davis
wrote:
On Friday, January 05, 2018 15:22:49 Vino via
Digitalmars-d-learn wrote:
Hi All,
Request your help on how to unset or del
On 1/5/18 11:39 AM, Vino wrote:
Hi Steve,
if we add the braces we are getting the Error: undefined identifier
Datacol
void main () {
Array!int Keycol;
static foreach(i; 0 .. 3) {
{
typeof(read()[i]) Datacol;
Datacol.insertBack(sort(read[i].dup[]).uniq);
fore
On Friday, 5 January 2018 at 16:55:50 UTC, Steven Schveighoffer
wrote:
On 1/5/18 11:39 AM, Vino wrote:
Hi Steve,
if we add the braces we are getting the Error: undefined
identifier Datacol
void main () {
Array!int Keycol;
static foreach(i; 0 .. 3) {
{
typeof(read()[i]) Datac
On Friday, 5 January 2018 at 13:09:25 UTC, Vino wrote:
Sorry, I'm asking what problem are you solving, what the
program should do, what is its idea. Not what code you have
written.
Hi,
I am trying to implement data dictionary compression, and below
is the function of the program,
Function
On Friday, 5 January 2018 at 04:10:54 UTC, Steven Schveighoffer
wrote:
Yes, this is undefined behavior.
https://dlang.org/spec/const3.html#removing_with_cast
The compiler assumes x is going to be 5 forever, so instead of
loading the value at that address, it just loads 5 into a
register (or
On Friday, 5 January 2018 at 17:50:13 UTC, thedeemon wrote:
Here's my version of solution. I've used ordinary arrays
instead of std.container.array, since the data itself is in
GC'ed heap anyway.
I used csv file separated by tabs, so told csvReader to use
'\t' for delimiter.
And since lines o
On Friday, 5 January 2018 at 17:59:32 UTC, thedeemon wrote:
Tuple!( staticMap!(Arr, ColumnTypes) ) res; // array of
tuples
Sorry, I meant tuple of arrays, of course.
On Fri, Jan 05, 2018 at 05:50:34PM +, jmh530 via Digitalmars-d-learn wrote:
> On Friday, 5 January 2018 at 04:10:54 UTC, Steven Schveighoffer wrote:
> >
> > Yes, this is undefined behavior.
> >
> > https://dlang.org/spec/const3.html#removing_with_cast
> >
> > The compiler assumes x is going
On Friday, 5 January 2018 at 18:13:11 UTC, H. S. Teoh wrote:
On Fri, Jan 05, 2018 at 05:50:34PM +, jmh530 via
Digitalmars-d-learn wrote:
Be careful with that:
class C { int x; }
immutable C c = new C(5);
auto i = c.x;
C y = cast(C) c;
y.x = 10;
On 05.01.18 15:39, Steven Schveighoffer wrote:
> Yeah, I guess most of the bottlenecks are inside libz, or the memory
> allocator. There isn't much optimization to be done in the main program
> itself.
>
> D compiles just the same as C. So theoretically you should be able to
> get the same performa
On Friday, 5 January 2018 at 12:19:11 UTC, thedeemon wrote:
On Friday, 5 January 2018 at 07:40:14 UTC, Brian wrote:
I think code style like:
db.select(User).where(email.like("*@hotmail.com")).limit(10);
You need to read about templates in D, here's a good guide:
https://github.com/PhilippeSiga
void foo() {
void baa() {
static int n;
writeln(n++);
}
}
void main() {
static int x;
foo();
doSomething(x);
}
does x and n has same lifetime, i.e, program's execution or n is
longer available onde foo() call reach out of scope?
On Friday, 5 January 2018 at 15:38:17 UTC, Binghoo Dang wrote:
On Friday, 5 January 2018 at 07:40:14 UTC, Brian wrote:
I think code style like:
~~
struct User
{
int id;
string name;
string email;
}
class ORM
{
}
auto db =
On 1/5/18 4:44 PM, Marc wrote:
void foo() {
void baa() {
static int n;
writeln(n++);
}
}
void main() {
static int x;
foo();
doSomething(x);
}
does x and n has same lifetime, i.e, program's execution or n is longer
available onde foo() call reach out of scope?
On 1/5/18 3:09 PM, Christian Köstlin wrote:
On 05.01.18 15:39, Steven Schveighoffer wrote:
Yeah, I guess most of the bottlenecks are inside libz, or the memory
allocator. There isn't much optimization to be done in the main program
itself.
D compiles just the same as C. So theoretically you sho
On Friday, January 05, 2018 16:59:38 Steven Schveighoffer via Digitalmars-d-
learn wrote:
> On 1/5/18 4:44 PM, Marc wrote:
> >> void foo() {
> >> void baa() {
> >> static int n;
> >> writeln(n++);
> >> }
> >> }
> >>
> >> void main() {
> >> static int x;
> >> foo();
> >> d
Why isn't
class X {}
class Y : X {}
X[] xs = cast(X[])(Y[].init);
compilable in safe D?
What's unsafe about such a cast?
On 1/5/18 5:07 PM, Jonathan M Davis wrote:
but doesn't print out anything about main or f. I don't know if that's a bug
or not, since the only way that I can think of to make it work would be to
have the compiler invisibly add a static destructor to the module to clean
them up, and that would ca
On Friday, 5 January 2018 at 22:16:04 UTC, Nordlöw wrote:
Why isn't
class X {}
class Y : X {}
X[] xs = cast(X[])(Y[].init);
compilable in safe D?
What's unsafe about such a cast?
class X {}
class Y : X {}
class Z : X {}
Y[] ys = Y[].init;
X[] xs = cast(X[])(ys);
xs[0] = new Z;
On 1/5/18 5:16 PM, Nordlöw wrote:
Why isn't
class X {}
class Y : X {}
X[] xs = cast(X[])(Y[].init);
compilable in safe D?
Hm... given that there is no other reference to xs, it should work. But
obviously you have a different example in mind, as this makes no sense?
This work
On Fri, Jan 05, 2018 at 10:16:04PM +, Nordlöw via Digitalmars-d-learn wrote:
> Why isn't
>
> class X {}
> class Y : X {}
> X[] xs = cast(X[])(Y[].init);
>
> compilable in safe D?
>
> What's unsafe about such a cast?
Your original code snippet seems redundant. If you wanted an em
On 1/5/18 6:04 PM, H. S. Teoh wrote:
On Fri, Jan 05, 2018 at 10:16:04PM +, Nordlöw via Digitalmars-d-learn wrote:
Why isn't
class X {}
class Y : X {}
X[] xs = cast(X[])(Y[].init);
compilable in safe D?
What's unsafe about such a cast?
Your original code snippet seems redu
On Friday, January 05, 2018 17:17:47 Steven Schveighoffer via Digitalmars-d-
learn wrote:
> On 1/5/18 5:07 PM, Jonathan M Davis wrote:
> > but doesn't print out anything about main or f. I don't know if that's a
> > bug or not, since the only way that I can think of to make it work
> > would be to
Nothing new here... I'm just reminded of how templates can help with DRY
(don't repeat yourself) code.
Here is a piece of code that uses an alias to be flexible on the element
type:
import std.conv;
alias MyType = double;// <-- Nice, MyType is used twice below
void main() {
MyType[]
On Saturday, 6 January 2018 at 01:33:11 UTC, Ali Çehreli wrote:
One solution is to wrap ~= in a function template. Now the
conversion is automatically made to the element type of the
array:
...
.
I think append() could be a part of std.array but I can't find
anything like that in Phobos.
On 01/05/2018 06:14 PM, codephantom wrote:
> On Saturday, 6 January 2018 at 01:33:11 UTC, Ali Çehreli wrote:
>> One solution is to wrap ~= in a function template. Now the conversion
>> is automatically made to the element type of the array:
>> ...
>> .
>> I think append() could be a part of st
On Saturday, 6 January 2018 at 03:08:19 UTC, Ali Çehreli wrote:
It's hard to find a balance between fully explicit and fully
automatic. I find myself going back and forth between those two
extremes.
Ali
Code is something that humans write and read (and read far more
than write).
So I pref
Why does gcc say "unknown demangling style `dlang'" ? Do I need
GDC for demangling to work ?
85198AB7DE24894B5F742FBD5/libvibe-d_data.a
/home/venkat/.dub/packages/vibe-d-0.8.2/vibe-d/utils/.dub/build/library-unittest-linux.posix-x86_64-dmd_2077-B9AE30DD34FDC5ADDE81E208F10DF014/libvibe-d_utils.
On Friday, 5 January 2018 at 18:00:34 UTC, thedeemon wrote:
On Friday, 5 January 2018 at 17:59:32 UTC, thedeemon wrote:
Tuple!( staticMap!(Arr, ColumnTypes) ) res; // array of
tuples
Sorry, I meant tuple of arrays, of course.
Hi Deemon,
Thank you very much, I tested your code, initiall
On Saturday, 6 January 2018 at 05:44:28 UTC, Venkat wrote:
Why does gcc say "unknown demangling style `dlang'" ? Do I need
GDC for demangling to work ?
85198AB7DE24894B5F742FBD5/libvibe-d_data.a
/home/venkat/.dub/packages/vibe-d-0.8.2/vibe-d/utils/.dub/build/library-unittest-linux.posix-x86_6
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