exercise - find invalid D tokens (Impossible ?)

Here are the specifications of token strings: "Token strings open with the characters q{ and close with the token }. In between must be valid D tokens. The { and }" So we can deduce that any invalid D token inside a token string will lead to a compilation error. Indeed: void main() {

Re: How to kill whole application if child thread raises an exception?

I found http://arsdnet.net/this-week-in-d/2016-aug-07.html Maybe it's helps me.

Re: Mir GLAS is a C library and passes Natlib's test suite! And questions :-)

On 10/27/16 3:59 AM, Ilya Yaroshenko wrote: Mir GLAS (Generic Linear Algebra Subprograms) has its own repository [1] now. Big news: 1. Mir GLAS does not require D / C++ runtime and can be used in any programming language as common C library! See read README [1] for more details. Cool work!

Re: How to kill whole application if child thread raises an exception?

On Friday, 28 October 2016 at 03:38:05 UTC, dm wrote: On Thursday, 27 October 2016 at 13:37:29 UTC, Steven Schveighoffer wrote: Hm... what about: ... Main thread still running. Actually it's depends on compiler. With ldc2 main thread doesn't stop, but with dmd seems all ok:

Re: test if the alias of a template is a literal

On Friday, 28 October 2016 at 03:33:33 UTC, Basile B. wrote: On Thursday, 27 October 2016 at 14:04:23 UTC, Gianni Pisetta wrote: So i searched for a metod to check if an alias is a literal value, but found nothing. Anyone have any clue on how can be done? Thanks, Gianni Pisetta Hello, I

Re: How to kill whole application if child thread raises an exception?

On Thursday, 27 October 2016 at 13:37:29 UTC, Steven Schveighoffer wrote: Hm... what about: ... Main thread still running.

Re: test if the alias of a template is a literal

On Thursday, 27 October 2016 at 14:04:23 UTC, Gianni Pisetta wrote: Hi all, I have an AliasSeq composed of literal strings, variables and delegates. I want to build a template Optimize that will return an AliasSeq that have all adjacent literals concatenated into one. So i writed something

Re: Fun: Shooting yourself in the foot in D

On Thursday, 27 October 2016 at 22:24:57 UTC, Temtaime wrote: On Thursday, 27 October 2016 at 19:49:16 UTC, Ali Çehreli wrote: [...] You create some complicated template function and then compiler show you an ICE. You shoot yourself in a tuple containing your foot, boot and sock.

Re: The build is broken when using gcc 6

On Thursday, 27 October 2016 at 23:49:49 UTC, deadalnix wrote: On Thursday, 27 October 2016 at 05:25:49 UTC, Stefan Koch wrote: https://github.com/dlang/dmd/pull/6215 PR is open. Pending review and merge. Although if you ask me this is a no-brainer. It's now merged, thanks Stefan. No

Re: The build is broken when using gcc 6

On Thursday, 27 October 2016 at 05:25:49 UTC, Stefan Koch wrote: On Thursday, 27 October 2016 at 05:15:26 UTC, deadalnix wrote: On Thursday, 27 October 2016 at 04:41:38 UTC, Stefan Koch wrote: On Thursday, 27 October 2016 at 04:39:03 UTC, mogu wrote: On Thursday, 27 October 2016 at 04:33:30

Re: A question of function design?

On Thursday, 27 October 2016 at 22:17:35 UTC, WhatMeWorry wrote: I'm using Derelict GLFW3 and I found the following GLFW3 code snippet in a demo. In a small demo, crap like this usually isn't a big deal. It's not common practice, though, and for good reason. You should definitely avoid

Re: Fun: Shooting yourself in the foot in D

On Thursday, 27 October 2016 at 19:49:16 UTC, Ali Çehreli wrote: http://www.toodarkpark.org/computers/humor/shoot-self-in-foot.html Some entries for reference: C - You shoot yourself in the foot. - You shoot yourself in the foot and then nobody else can figure out what you did. C++ -

Re: Fun: Shooting yourself in the foot in D

On 10/27/2016 03:07 PM, Idan Arye wrote: > On Thursday, 27 October 2016 at 19:49:16 UTC, Ali Çehreli wrote: >> >> http://www.toodarkpark.org/computers/humor/shoot-self-in-foot.html > You conceive a baby which is born with a bullet genetically shot in the > foot Like others, this one is very

A question of function design?

I'm using Derelict GLFW3 and I found the following GLFW3 code snippet in a demo. float distance = 3.0; extern(C) void key_callback(GLFWwindow* window, int key, int scancode, int action, int modifier) nothrow { if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) {

Re: New to D

On Thursday, 27 October 2016 at 13:43:26 UTC, Steven Schveighoffer wrote: It depends on the size of the file and the expectation of duplicate words. I'm assuming the number of words is limited, so you are going to allocate far less data by duping on demand. In addition, you may incur penalties

Re: Fun: Shooting yourself in the foot in D

On Thursday, 27 October 2016 at 19:49:16 UTC, Ali Çehreli wrote: http://www.toodarkpark.org/computers/humor/shoot-self-in-foot.html Some entries for reference: C - You shoot yourself in the foot. - You shoot yourself in the foot and then nobody else can figure out what you did. C++ -

[OT] Re: The bug tracker certificate is expired

On 10/26/2016 07:34 PM, Stefam Koch wrote: Your user name presumably on the forum in a browser tab has "m"orphed. :) Ali

Re: The bug tracker certificate is expired

Yeah, I let it expire since it's been several years since it was used for anything other than redirecting a couple urls to their real homes. On 10/26/16 9:24 PM, deadalnix via Digitalmars-d wrote: The title says it all. The certificate for https://d.puremagic.com/issues/ is expired.

Re: Fun: Shooting yourself in the foot in D

On Thursday, 27 October 2016 at 19:49:16 UTC, Ali Çehreli wrote: http://www.toodarkpark.org/computers/humor/shoot-self-in-foot.html Some entries for reference: C - You shoot yourself in the foot. - You shoot yourself in the foot and then nobody else can figure out what you did. C++ -

Re: Mir GLAS is a C library and passes Natlib's test suite! And questions :-)

On 10/26/2016 12:59 PM, Ilya Yaroshenko wrote: Mir GLAS (Generic Linear Algebra Subprograms) Ilya is giving a talk in about 5 hours on D runtime infrastructure which Mir GLAS is a proof of concept of: http://forum.dlang.org/thread/nu8qq8$2i1a$1...@digitalmars.com Ali

Re: Fun: Shooting yourself in the foot in D

On Thursday, 27 October 2016 at 19:59:09 UTC, Steven Schveighoffer wrote: On 10/27/16 3:49 PM, Ali Çehreli wrote: http://www.toodarkpark.org/computers/humor/shoot-self-in-foot.html Some entries for reference: C - You shoot yourself in the foot. - You shoot yourself in the foot and then

Re: Fun: Shooting yourself in the foot in D

On Thursday, 27 October 2016 at 19:59:09 UTC, Steven Schveighoffer wrote: You create a large meta-template library called footMassage, which then ends up via compiler inference compiling into a gun instead. Accidentally compiling a massage into a gun is not a high priority bug. In order to

Re: Fun: Shooting yourself in the foot in D

On Thursday, 27 October 2016 at 19:59:09 UTC, Steven Schveighoffer wrote: On 10/27/16 3:49 PM, Ali Çehreli wrote: [...] You create a large meta-template library called footMassage, which then ends up via compiler inference compiling into a gun instead. -Steve Then the GC kicks in and

Re: Fun: Shooting yourself in the foot in D

On 10/27/2016 12:59 PM, Steven Schveighoffer wrote: > You create a large meta-template library called footMassage, which then > ends up via compiler inference compiling into a gun instead. The first thing that came to my mind was a template-generated gun as well. :) Ali

Re: Fun: Shooting yourself in the foot in D

On 10/27/16 3:49 PM, Ali Çehreli wrote: http://www.toodarkpark.org/computers/humor/shoot-self-in-foot.html Some entries for reference: C - You shoot yourself in the foot. - You shoot yourself in the foot and then nobody else can figure out what you did. C++ - You accidentally create a

Fun: Shooting yourself in the foot in D

http://www.toodarkpark.org/computers/humor/shoot-self-in-foot.html Some entries for reference: C - You shoot yourself in the foot. - You shoot yourself in the foot and then nobody else can figure out what you did. C++ - You accidentally create a dozen instances of yourself and shoot them

Re: Map type to class instance at compile-time

I admit that I can't come up with a solution right now. I hope others can see a way out of what I describe below. :-/ On 10/27/2016 11:33 AM, pontius wrote: > On Wednesday, 26 October 2016 at 18:19:33 UTC, Ali Çehreli wrote: >> There are different approaches but I think the solution above

Re: MongoDB/DB <-> D

Dne 27.10.2016 v 20:54 Jot via Digitalmars-d-learn napsal(a): Using Vibe.D here; How can one work with the DB's abstractly without incurring duplicity. I'd like to be able to create one struct and use that, either in D or the DB. I'd prefer to create a struct in D and interact through that

MongoDB/DB <-> D

Using Vibe.D here; How can one work with the DB's abstractly without incurring duplicity. I'd like to be able to create one struct and use that, either in D or the DB. I'd prefer to create a struct in D and interact through that struct with the database abstracted away. struct Person {

Re: What is the difference between pages under dlang.org/phobos and dlang.org/library?

On Thursday, 27 October 2016 at 18:47:07 UTC, Adam D. Ruppe wrote: It is the same content, generated at the same time, just laid out differently. You can use whichever you find easier. Thanks, Adam.

Re: What is the difference between pages under dlang.org/phobos and dlang.org/library?

On Thursday, 27 October 2016 at 18:44:00 UTC, A D dev wrote: I viewed the above two pages and the content seems roughly the same. It is the same content, generated at the same time, just laid out differently. You can use whichever you find easier.

What is the difference between pages under dlang.org/phobos and dlang.org/library?

Hi list, What is the difference between pages under dlang.org/phobos and dlang.org/library? And when should we use which, as a reference? E.g. https://dlang.org/phobos/std_zip.html https://dlang.org/library/std/zip.html I viewed the above two pages and the content seems roughly the same.

Re: Map type to class instance at compile-time

On Wednesday, 26 October 2016 at 18:19:33 UTC, Ali Çehreli wrote: There are different approaches but I think the solution above achieves what you want: DefaultManager!(A) is managing an object of A DefaultManager!(B) is managing an object of B SomeCustomManager is managing an object of C Ali

Re: Can we get unitests to not run with program start ?

On 10/27/16 9:09 AM, Steven Schveighoffer wrote: On 10/26/16 1:24 AM, deadalnix wrote: Seriously that makes no sense, almost everybody has it own hack to have a different main when building for unitests, and we look like clown. We all like to talk about language feature and all, but seriously,

Re: What is the right level of abstractions for D?

On 10/27/2016 02:22 AM, Joakim wrote: 1. low-level compiled languages like C++, D, Rust, and Swift, meant for performance and usually experts who want to squeeze it out 2. mid-level bytecode languages like Java and C#, meant for the vast middle of day-to-day programmers to crank out libraries

Re: Address of an array

A dynamic array looks something kind of like this: struct DynamicArray(T) { size_t length; T* ptr; } So, if you take the address of a dynamic array, you're basically taking the address of a struct on the stack, whereas the address in ptr is the address in memory where the data is (be

Re: Comparing compilation time of random code in C++, D, Go, Pascal and Rust

On 10/27/2016 02:43 AM, Sebastien Alaiwan wrote: From the article: Surprise: C++ without optimizations is the fastest! A few other surprises: Rust also seems quite competitive here. D starts out comparatively slow." These benchmarks seem to support the idea that it's not the parsing which

Re: Linus' idea of "good taste" code

On Thursday, 27 October 2016 at 16:14:03 UTC, Dicebot wrote: On 10/27/2016 07:12 PM, Laeeth Isharc wrote: On Thursday, 27 October 2016 at 16:01:26 UTC, Chris wrote: On Thursday, 27 October 2016 at 15:54:59 UTC, Jonathan M Davis wrote: On Thursday, October 27, 2016 15:42:53 Chris via

Re: Address of an array

On Thursday, October 27, 2016 16:13:34 David via Digitalmars-d-learn wrote: > Hi > > The pointer (.ptr) of an array is the address of the first array > element. But what exactly is the address of the array? And how is > it used? > >auto myArray = [5, 10, 15, 20, 25, 30, 35]; >

Re: Address of an array

On Thursday, 27 October 2016 at 16:13:34 UTC, David wrote: Hi The pointer (.ptr) of an array is the address of the first array element. But what exactly is the address of the array? And how is it used? auto myArray = [5, 10, 15, 20, 25, 30, 35]; writeln("myArray.ptr: ", myArray.ptr); //

Re: Linus' idea of "good taste" code

On 10/27/2016 07:12 PM, Laeeth Isharc wrote: > On Thursday, 27 October 2016 at 16:01:26 UTC, Chris wrote: >> On Thursday, 27 October 2016 at 15:54:59 UTC, Jonathan M Davis wrote: >>> On Thursday, October 27, 2016 15:42:53 Chris via Digitalmars-d wrote: Not easy to be smart with Javascript ;)

Re: Linus' idea of "good taste" code

On Thursday, 27 October 2016 at 16:01:26 UTC, Chris wrote: On Thursday, 27 October 2016 at 15:54:59 UTC, Jonathan M Davis wrote: On Thursday, October 27, 2016 15:42:53 Chris via Digitalmars-d wrote: Not easy to be smart with Javascript ;) Sure, it is. Avoid it. ;) - Jonathan M Davis I

Re: Linus' idea of "good taste" code

On Thursday, 27 October 2016 at 15:54:59 UTC, Jonathan M Davis wrote: On Thursday, October 27, 2016 15:42:53 Chris via Digitalmars-d wrote: Not easy to be smart with Javascript ;) Sure, it is. Avoid it. ;) - Jonathan M Davis I wish I could! I wish we had DScript for browsers!

Re: Linus' idea of "good taste" code

On Thursday, October 27, 2016 15:42:53 Chris via Digitalmars-d wrote: > Not easy to be smart with Javascript ;) Sure, it is. Avoid it. ;) - Jonathan M Davis

Re: Linus' idea of "good taste" code

On Tuesday, 25 October 2016 at 22:53:54 UTC, Walter Bright wrote: It's a small bit, but the idea here is to eliminate if conditionals where possible: https://medium.com/@bartobri/applying-the-linus-tarvolds-good-taste-coding-requirement-99749f37684a#.nhth1eo4e Dunno, I wouldn't expect an

Re: Linus' idea of "good taste" code

On Thursday, 27 October 2016 at 14:54:59 UTC, Idan Arye wrote: I'd like to point to Joel Spolsky excellent article "Five Worlds" - http://www.joelonsoftware.com/articles/FiveWorlds.html TL;DR: Joel Spolsky argues that different types("worlds") of developments require different qualities and

Re: test if the alias of a template is a literal

On Thursday, 27 October 2016 at 14:45:22 UTC, Gianni Pisetta wrote: On Thursday, 27 October 2016 at 14:34:38 UTC, TheFlyingFiddle wrote: On Thursday, 27 October 2016 at 14:04:23 UTC, Gianni Pisetta wrote: Hi all, but at the moment isStringLiteral will return true even with variables of type

Re: Linus' idea of "good taste" code

On Tuesday, 25 October 2016 at 22:53:54 UTC, Walter Bright wrote: It's a small bit, but the idea here is to eliminate if conditionals where possible: https://medium.com/@bartobri/applying-the-linus-tarvolds-good-taste-coding-requirement-99749f37684a#.nhth1eo4e This is something we could all

Re: test if the alias of a template is a literal

On Thursday, 27 October 2016 at 14:34:38 UTC, TheFlyingFiddle wrote: On Thursday, 27 October 2016 at 14:04:23 UTC, Gianni Pisetta wrote: Hi all, but at the moment isStringLiteral will return true even with variables of type string. So i searched for a metod to check if an alias is a literal

Re: Linus' idea of "good taste" code

On 10/27/2016 11:24 AM, qznc wrote: > I'm unsure about Linus' version. For this example, I agree that it is > elegant. It is fine in this specific case, because everything is local > within a single function. In general, the trick to use a pointer to the > element probably not a good idea. > >

test if the alias of a template is a literal

Hi all, I have an AliasSeq composed of literal strings, variables and delegates. I want to build a template Optimize that will return an AliasSeq that have all adjacent literals concatenated into one. So i writed something like this: template isStringLiteral(alias V) { enum bool

Re: New to D

On 10/27/16 2:40 AM, Era Scarecrow wrote: On Tuesday, 25 October 2016 at 14:40:17 UTC, Steven Schveighoffer wrote: I will note, that in addition to the other comments, this is going to result in corruption. Simply put, the buffer that 'line' uses is reused for each line. So the string data used

Re: Can we get unitests to not run with program start ?

On 10/26/16 1:24 AM, deadalnix wrote: Seriously that makes no sense, almost everybody has it own hack to have a different main when building for unitests, and we look like clown. We all like to talk about language feature and all, but seriously, this kind of thing is what hurts us the most. We

Re: Comparing compilation time of random code in C++, D, Go, Pascal and Rust

On Thursday, 27 October 2016 at 06:43:15 UTC, Sebastien Alaiwan wrote: From the article: Surprise: C++ without optimizations is the fastest! A few other surprises: Rust also seems quite competitive here. D starts out comparatively slow." These benchmarks seem to support the idea that it's

[Issue 16574] [REG 2.072.0-b1] Unexplained errors about functions that overridde anything

https://issues.dlang.org/show_bug.cgi?id=16574 --- Comment #16 from Martin Nowak --- Seems like the base classes symtab is empty or corrupted even though it's set to BASEOKsemanticdone. --

Re: No trace of cumulativeFold except in the source.

On Sunday, October 23, 2016 19:20:43 e-y-e via Digitalmars-d-learn wrote: > On this topic, do you think a 'cumulativeSum' specialisation > based on the 'sum' specialisation be welcome in phobos? Here's a > quick prototype, obviously not library standard but the basic > logic is there: >

[Issue 16607] [REG2.072b1] forward reference error for nested struct

https://issues.dlang.org/show_bug.cgi?id=16607 --- Comment #3 from github-bugzi...@puremagic.com --- Commits pushed to stable at https://github.com/dlang/dmd https://github.com/dlang/dmd/commit/b295ff509a52cd332d975014279ed891e11f465d fix Issue 16607 - forward reference error for nested struct

[Issue 16642] byCodeUnit doesn't work AutodecodableStrings unless they're actually strings or alias a variable that's a string

https://issues.dlang.org/show_bug.cgi?id=16642 --- Comment #1 from Jonathan M Davis --- https://github.com/dlang/phobos/pull/4879 --

Re: Linus' idea of "good taste" code

On Thursday, 27 October 2016 at 08:24:54 UTC, qznc wrote: On Wednesday, 26 October 2016 at 09:54:31 UTC, Dicebot wrote: On 10/26/2016 12:53 AM, Walter Bright wrote: It's a small bit, but the idea here is to eliminate if conditionals where possible:

Re: Linus' idea of "good taste" code

On Wednesday, 26 October 2016 at 09:54:31 UTC, Dicebot wrote: On 10/26/2016 12:53 AM, Walter Bright wrote: It's a small bit, but the idea here is to eliminate if conditionals where possible:

[Issue 16642] New: byCodeUnit doesn't work AutodecodableStrings unless they're actually strings or alias a variable that's a string

https://issues.dlang.org/show_bug.cgi?id=16642 Issue ID: 16642 Summary: byCodeUnit doesn't work AutodecodableStrings unless they're actually strings or alias a variable that's a string Product: D Version: D2

Re: Avoiding GC

On Wednesday, 26 October 2016 at 08:18:07 UTC, hardreset wrote: Is there a page somewhere on how to program D without using the GC? The information is scattered. How do I allocate / free structs / classes on the heap manually? Classes =>

Re: Silicon Valley D Meetup - October 27, 2016 - "D runtime infrastructure for your projects" by Ilya Yaroshenko

On Wednesday, 19 October 2016 at 22:07:04 UTC, Ali Çehreli wrote: We're excited to have Ilya as our guest speaker this month! From Ilya: I will talk about the future D runtime infrastructure which is required for D ecosystem to be desirable for business in large scale. A concept I would like

Re: Comparing compilation time of random code in C++, D, Go, Pascal and Rust

On Wednesday, 19 October 2016 at 17:05:18 UTC, Gary Willoughby wrote: This was posted on twitter a while ago: Comparing compilation time of random code in C++, D, Go, Pascal and Rust http://imgur.com/a/jQUav Very interesting, thanks for sharing! From the article: Surprise: C++ without

Re: What is the right level of abstractions for D?

On Thursday, 27 October 2016 at 06:22:03 UTC, Joakim wrote: I noticed that Richard Gabriel, one of the designers of Common Lisp, is on the committee for the new conference that Andrei mentioned here, so I went back and checked out his website again: http://dreamsongs.com. I mentioned his

What is the right level of abstractions for D?

I noticed that Richard Gabriel, one of the designers of Common Lisp, is on the committee for the new conference that Andrei mentioned here, so I went back and checked out his website again: http://dreamsongs.com. I mentioned his famous "Worse is better" essay here a couple years ago:

Re: Replace/Rename DWT forum with GUIs forum?

On Thursday, 22 September 2016 at 05:48:42 UTC, Vadim Lopatin wrote: On Sunday, 18 September 2016 at 23:21:26 UTC, Gerald wrote: I would like to suggest that the existing DWT forum be renamed or replaced with a more generic GUIs forum. As far as I can tell, the DWT forum doesn't get much