On Sunday, 28 May 2017 at 23:49:16 UTC, Brad Roberts wrote:
Is there a mechanism for declaring something pure when it's
built from parts which individually aren't?
string foo(string s)
{
// do something arbitrarily complex with s that doesn't
touch globals or change global state except pos
On Sunday, May 28, 2017 18:46:22 Brad Roberts via Digitalmars-d-learn wrote:
> Again, of course it's possible to do it wrong. Escape hatches are like
> that. And of course things are being worked on and improved, I'm one of
> the ones that's done a good bit of that at various points in time. I'm
On 5/28/2017 6:46 PM, Brad Roberts via Digitalmars-d-learn wrote:
Here's the bug that I'm digging into today, a clear example of an api
that _should_ be pure, but based on the implementation is rather
difficult for the compiler to infer.
https://issues.dlang.org/show_bug.cgi?id=17442
On 5/28/2017 6:36 PM, Jonathan M Davis via Digitalmars-d-learn wrote:
On Sunday, May 28, 2017 17:53:25 Brad Roberts via Digitalmars-d-learn wrote:
On 5/28/2017 5:34 PM, Jonathan M Davis via Digitalmars-d-learn wrote:
On Sunday, May 28, 2017 16:49:16 Brad Roberts via Digitalmars-d-learn
wrote:
On Sunday, May 28, 2017 18:39:02 Brad Roberts via Digitalmars-d-learn wrote:
> On 5/28/2017 6:27 PM, Jonathan M Davis via Digitalmars-d-learn wrote:
> > There was a whole discussion or 3 is PRs about making malloc pure, and
> > IIRC, it was done and then decided that it wasn't safe to do some for
>
On 5/28/2017 6:27 PM, Jonathan M Davis via Digitalmars-d-learn wrote:
On Monday, May 29, 2017 01:01:46 Stefan Koch via Digitalmars-d-learn wrote:
On Monday, 29 May 2017 at 00:53:25 UTC, Brad Roberts wrote:
On 5/28/2017 5:34 PM, Jonathan M Davis via Digitalmars-d-learn
wrote:
On Sunday, May 28
On Sunday, May 28, 2017 17:53:25 Brad Roberts via Digitalmars-d-learn wrote:
> On 5/28/2017 5:34 PM, Jonathan M Davis via Digitalmars-d-learn wrote:
> > On Sunday, May 28, 2017 16:49:16 Brad Roberts via Digitalmars-d-learn
wrote:
> >> Is there a mechanism for declaring something pure when it's bui
On Monday, May 29, 2017 01:01:46 Stefan Koch via Digitalmars-d-learn wrote:
> On Monday, 29 May 2017 at 00:53:25 UTC, Brad Roberts wrote:
> > On 5/28/2017 5:34 PM, Jonathan M Davis via Digitalmars-d-learn
> >
> > wrote:
> >> On Sunday, May 28, 2017 16:49:16 Brad Roberts via
> >>
> >> Digitalmars-d-
On Monday, 29 May 2017 at 01:12:53 UTC, Era Scarecrow wrote:
...
Hmm didn't notice the post had split. Otherwise i wouldn't have
replied... That and thinking about the GC state (outside of
allocating memory)...
On Sunday, 28 May 2017 at 23:49:16 UTC, Brad Roberts wrote:
// do something arbitrarily complex with s that doesn't
touch globals or change global state except possibly state of
the heap or gc
Sounds like the basic definition of pure to me; At least in
regards to D. Memory allocation whi
On Monday, 29 May 2017 at 01:01:46 UTC, Stefan Koch wrote:
There is
void[] myPureMalloc(uint size) pure @trusted nothrow @nogc
{
import core.stdc.stdlib : malloc;
alias pure_malloc_t = @nogc pure nothrow void* function(size_t
size);
return (cast(pure_malloc_t)&malloc)(size)[0 .. siz
On 5/28/2017 6:01 PM, Stefan Koch via Digitalmars-d-learn wrote:
On Monday, 29 May 2017 at 00:53:25 UTC, Brad Roberts wrote:
On 5/28/2017 5:34 PM, Jonathan M Davis via Digitalmars-d-learn wrote:
On Sunday, May 28, 2017 16:49:16 Brad Roberts via
Digitalmars-d-learn wrote:
Is there a mechanism f
On Monday, 29 May 2017 at 00:53:25 UTC, Brad Roberts wrote:
On 5/28/2017 5:34 PM, Jonathan M Davis via Digitalmars-d-learn
wrote:
On Sunday, May 28, 2017 16:49:16 Brad Roberts via
Digitalmars-d-learn wrote:
Is there a mechanism for declaring something pure when it's
built from
parts which indi
On 5/28/2017 5:34 PM, Jonathan M Davis via Digitalmars-d-learn wrote:
On Sunday, May 28, 2017 16:49:16 Brad Roberts via Digitalmars-d-learn wrote:
Is there a mechanism for declaring something pure when it's built from
parts which individually aren't?
string foo(string s)
{
// do something
On Sunday, May 28, 2017 16:49:16 Brad Roberts via Digitalmars-d-learn wrote:
> Is there a mechanism for declaring something pure when it's built from
> parts which individually aren't?
>
> string foo(string s)
> {
> // do something arbitrarily complex with s that doesn't touch
> globals or cha
Is there a mechanism for declaring something pure when it's built from
parts which individually aren't?
string foo(string s)
{
// do something arbitrarily complex with s that doesn't touch
globals or change global state except possibly state of the heap or gc
return s;
}
On Sunday, 28 May 2017 at 22:14:46 UTC, Adam D. Ruppe wrote:
On Sunday, 28 May 2017 at 22:07:12 UTC, helxi wrote:
So I tried using C's EOF but the types aren't compatible since
EOF is probably aliased to -1
The readln docs for D say it returns null on end of file. The
example given is:
imp
On Sunday, 28 May 2017 at 22:07:12 UTC, helxi wrote:
So I tried using C's EOF but the types aren't compatible since
EOF is probably aliased to -1
The readln docs for D say it returns null on end of file. The
example given is:
import std.stdio;
void main()
{
string line;
while ((lin
Hello, I just wrote a mock-up of Unix's $cat. However unlike the
actual $cat, when input interrupt (Cntrl+D) is pressed the
following program does not stop.
So I tried using C's EOF but the types aren't compatible since
EOF is probably aliased to -1
//...
if (args.length < 2)
{
s
On Sunday, 28 May 2017 at 20:06:42 UTC, piotrklos wrote:
I need to perform an action, in multiple separate functions, if
scope exits with an exception. The trouble is I don't want to
litter my code with scope(failure) everywhere. I already create
an instance of a struct at each location, with t
I need to perform an action, in multiple separate functions, if
scope exits with an exception. The trouble is I don't want to
litter my code with scope(failure) everywhere. I already create
an instance of a struct at each location, with the sole purpose
of doing things at the end of scope.
So
On Sunday, 28 May 2017 at 15:00:30 UTC, Ali Çehreli wrote:
On 05/28/2017 07:55 AM, Petras wrote:
> Hi, I am learning how to use readf to read integers. I follow
the
> example in https://dlang.org/library/std/stdio/readf.html
>
> The sample code use readf in following way
> readf!" %d"(a);
Provi
On 05/28/2017 03:30 PM, Mike Wey wrote:
On 05/28/2017 03:20 PM, Mike Wey wrote:
On 05/27/2017 11:42 PM, greatsam4sure wrote:
rdmd Build.d fail on windows with dmd 2.074.0,dmd 2.073.0.
it says std.file.FileException@std\file.d(814)gtkd2.obj:The system
cannot find the file specifield.
I have t
On 05/28/2017 07:55 AM, Petras wrote:
> Hi, I am learning how to use readf to read integers. I follow the
> example in https://dlang.org/library/std/stdio/readf.html
>
> The sample code use readf in following way
> readf!" %d"(a);
Providing the format string as a template argument and being able
Hi, I am learning how to use readf to read integers. I follow the
example in https://dlang.org/library/std/stdio/readf.html
The sample code use readf in following way
readf!" %d"(a);
It works when I use dmd 2.074. However, I got compile error when
I switch to ldc2
/usr/include/d/std/stdio.d(
On 05/28/2017 03:20 PM, Mike Wey wrote:
On 05/27/2017 11:42 PM, greatsam4sure wrote:
rdmd Build.d fail on windows with dmd 2.074.0,dmd 2.073.0.
it says std.file.FileException@std\file.d(814)gtkd2.obj:The system
cannot find the file specifield.
I have to use dmd 2.071.0 to build it
I will app
On 05/27/2017 11:42 PM, greatsam4sure wrote:
rdmd Build.d fail on windows with dmd 2.074.0,dmd 2.073.0.
it says std.file.FileException@std\file.d(814)gtkd2.obj:The system
cannot find the file specifield.
I have to use dmd 2.071.0 to build it
I will appreciate your help
sorry for the mistake
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