On Wednesday, 20 July 2016 at 01:50:37 UTC, Adam D. Ruppe wrote:
On Wednesday, 20 July 2016 at 01:14:05 UTC, mogu wrote:
Why S's type isn't something like `S: (T) -> S`?
Because S isn't a type... think of a template as being like a
function that returns a type.
int foo(int) { return 0; }
On Wednesday, July 20, 2016 04:03:23 stunaep via Digitalmars-d-learn wrote:
> How can I search for an enum by its values? For example I have
>
> >struct TestTraits {
> >
> > int value1;
> > string value2;
> >
> >}
> >
> >enum Test : TestTraits {
> >
> > TEST = TestTraits(1, "test1"),
> > TESTING =
On 07/20/2016 06:36 AM, Rufus Smith wrote:
Does D offer any solutions to generate code dynamically?
I don't think so.
I would like to
order based on optimal strategies. This requires effectively hard coding
the execution path.
A simple example,
if (x == true)
foo();
else
bar();
Does D offer any solutions to generate code dynamically? I would
like to order based on optimal strategies. This requires
effectively hard coding the execution path.
A simple example,
if (x == true)
foo();
else
bar();
can be recoded to be foo() or bar() while x is fixed, in my case
x
How can I search for an enum by its values? For example I have
struct TestTraits {
int value1;
string value2;
}
enum Test : TestTraits {
TEST = TestTraits(1, "test1"),
TESTING = TestTraits(5, "test5")
}
and I have the int 5 and need to find TESTING with it.
In
On Wednesday, 20 July 2016 at 01:48:31 UTC, Adam D. Ruppe wrote:
Take a read of this:
http://stackoverflow.com/a/32621854/1457000
The short of it is don't mixin stringof. Instead, mixin the
actual template itself.
The functionLinkage might need to be string, but the types
should remain
On Wednesday, 20 July 2016 at 01:14:05 UTC, mogu wrote:
Why S's type isn't something like `S: (T) -> S`?
Because S isn't a type... think of a template as being like a
function that returns a type.
int foo(int) { return 0; }
There, you wouldn't expect typeof(foo) to be int, no, typeof(foo)
Take a read of this:
http://stackoverflow.com/a/32621854/1457000
The short of it is don't mixin stringof. Instead, mixin the
actual template itself.
The functionLinkage might need to be string, but the types should
remain literal. So try this:
mixin("alias Func =
If it's not clear, I have to import the proper identifiers but
every use of the template would require the user to add their
import. Obviously not the way to go.
I have complex template that uses a mixin to solve some problems.
The mixin produces the error. I thought template's were added in
to the scope of the call? I guess the mixin is inserted before
this happens. That isn't good ;/
Here is one place the error happens
mixin("alias Func =
```
struct S(T) {}
static assert(is (typeof(S) == void));
```
Why S's type isn't something like `S: (T) -> S`?
On Sunday, 17 July 2016 at 05:57:52 UTC, WhatMeWorry wrote:
I don't suppose there's a way to "see" source code generated by
templates after a compile but before execution? Or does the
compiler generate it to a lower level on the fly; thus losing
the source code?
I'm assuming no because
On Tuesday, 19 July 2016 at 17:10:35 UTC, Lodovico Giaretta wrote:
On Tuesday, 19 July 2016 at 17:05:55 UTC, Rufus Smith wrote:
On Tuesday, 19 July 2016 at 16:59:48 UTC, Lodovico Giaretta
wrote:
On Tuesday, 19 July 2016 at 16:50:56 UTC, Rufus Smith wrote:
On Tuesday, 19 July 2016 at 16:09:38
On 7/19/16 1:03 PM, Rufus Smith wrote:
On Tuesday, 19 July 2016 at 16:58:12 UTC, Steven Schveighoffer wrote:
On 7/19/16 12:52 PM, Rufus Smith wrote:
On Tuesday, 19 July 2016 at 15:58:49 UTC, Steven Schveighoffer wrote:
[...]
Yes, but then this = null. I matters not for my use case.
'this'
On Tuesday, 19 July 2016 at 17:05:55 UTC, Rufus Smith wrote:
On Tuesday, 19 July 2016 at 16:59:48 UTC, Lodovico Giaretta
wrote:
On Tuesday, 19 July 2016 at 16:50:56 UTC, Rufus Smith wrote:
On Tuesday, 19 July 2016 at 16:09:38 UTC, Lodovico Giaretta
wrote:
[...]
But this doesn't create a
On Tuesday, 19 July 2016 at 15:40:20 UTC, Lodovico Giaretta wrote:
You can find this out from the error, which says that you can't
expand an object of type `(Tuple!(int, int))`. Note the
surrounding parenthesis: they tell you that what you have is
not a Tuple, but an AliasSeq whose only
On Tuesday, 19 July 2016 at 16:59:48 UTC, Lodovico Giaretta wrote:
On Tuesday, 19 July 2016 at 16:50:56 UTC, Rufus Smith wrote:
On Tuesday, 19 July 2016 at 16:09:38 UTC, Lodovico Giaretta
wrote:
[...]
But this doesn't create a function with all the attributes of
the original? Just one that
On Tuesday, 19 July 2016 at 16:58:12 UTC, Steven Schveighoffer
wrote:
On 7/19/16 12:52 PM, Rufus Smith wrote:
On Tuesday, 19 July 2016 at 15:58:49 UTC, Steven Schveighoffer
wrote:
[...]
Yes, but then this = null. I matters not for my use case.
'this' is not null in either case. There is no
On Tuesday, 19 July 2016 at 16:50:56 UTC, Rufus Smith wrote:
On Tuesday, 19 July 2016 at 16:09:38 UTC, Lodovico Giaretta
wrote:
On Tuesday, 19 July 2016 at 15:55:02 UTC, Rufus Smith wrote:
I have some functions that take other functions. I would like
the attributes to be able to "fall" through
On 7/19/16 12:52 PM, Rufus Smith wrote:
On Tuesday, 19 July 2016 at 15:58:49 UTC, Steven Schveighoffer wrote:
On 7/19/16 11:25 AM, Rufus Smith wrote:
[...]
I think what Mike may be alluding to is that there is no name for the
stack frame pointer you can use. There is no 'this' pointer that
On Tuesday, 19 July 2016 at 15:58:49 UTC, Steven Schveighoffer
wrote:
On 7/19/16 11:25 AM, Rufus Smith wrote:
[...]
I think what Mike may be alluding to is that there is no name
for the stack frame pointer you can use. There is no 'this'
pointer that you can get at (even though it can be
On Tuesday, 19 July 2016 at 16:09:38 UTC, Lodovico Giaretta wrote:
On Tuesday, 19 July 2016 at 15:55:02 UTC, Rufus Smith wrote:
I have some functions that take other functions. I would like
the attributes to be able to "fall" through so I get overload
like behavior. I only care that I am
On Tuesday, 19 July 2016 at 15:55:02 UTC, Rufus Smith wrote:
I have some functions that take other functions. I would like
the attributes to be able to "fall" through so I get overload
like behavior. I only care that I am passing a function, not if
it is shared, extern(C), pure, @nogc, etc.
On Tuesday, 19 July 2016 at 15:18:20 UTC, Steven Schveighoffer
wrote:
Please add what you can to the report.
ok, i found why it doesn't work with static libs. not sure what
to do next, though... added the info to bugzilla.
On 7/19/16 11:25 AM, Rufus Smith wrote:
On Tuesday, 19 July 2016 at 06:46:44 UTC, Mike Parker wrote:
On Tuesday, 19 July 2016 at 06:32:32 UTC, Rufus Smith wrote:
Error: 'this' is only defined in non-static member functions, not
__lambda2
Lambda's are delegates and delegates have a "this" type
I have some functions that take other functions. I would like the
attributes to be able to "fall" through so I get overload like
behavior. I only care that I am passing a function, not if it is
shared, extern(C), pure, @nogc, etc.
void foo(R, A...)(R function(A) bar)
{
alias type =
On Tuesday, 19 July 2016 at 15:36:42 UTC, Lodovico Giaretta wrote:
As you have to do `isTuple!(T[0])`, you also have to do
`x[0].expand`.
That's because T... works "as if" it was an array of types, and
x, being of type T, it works "as if" it was an array of values.
So you have to use an index
On Tuesday, 19 July 2016 at 13:33:41 UTC, jmh530 wrote:
On Tuesday, 19 July 2016 at 07:23:52 UTC, John wrote:
auto bar(T...)(T x)
{
static if (T.length == 1 && isTuple!(T[0]))
return foo(x.expand);
else
return foo(x);
}
Hmm, this actually doesn't seem to be resolving my issue.
On Tuesday, 19 July 2016 at 15:18:20 UTC, Steven Schveighoffer
wrote:
It's affecting phobos devs too, we are aware of the issue:
https://issues.dlang.org/show_bug.cgi?id=16291
i see, thank you. my searching foo failed to find that issue.
i guess i have to use digger to find the commit that
On Tuesday, 19 July 2016 at 06:46:44 UTC, Mike Parker wrote:
On Tuesday, 19 July 2016 at 06:32:32 UTC, Rufus Smith wrote:
Error: 'this' is only defined in non-static member functions,
not __lambda2
Lambda's are delegates and delegates have a "this" type of
pointer. I would like to get at it
On 7/19/16 11:08 AM, ketmar wrote:
i'm using git master (updated daily), and recently found very strange
thing.
when i'm linking my programs with libphobos2.a, module ctor from
"std.internal.phobosinit" is not called, but when i'm linking with .so,
everything is ok.
it is easy to check:
i'm using git master (updated daily), and recently found very
strange thing.
when i'm linking my programs with libphobos2.a, module ctor from
"std.internal.phobosinit" is not called, but when i'm linking
with .so, everything is ok.
it is easy to check: `EncodingScheme.create("utf-8")` will
On Tuesday, 19 July 2016 at 12:33:53 UTC, ag0aep6g wrote:
final const(ulong[char]) nucleotide_counts () const
{
return cached_counts;
}
OMG! I'm so blind.
Never thought of trying the obvious way.
Thank you
Thank you!
That clarified a lot of things for me.
On Friday, 15 July 2016 at 15:24:36 UTC, Kai Nacke wrote:
There is a reason why we do not distribute a binary version of
LDC with all LLVM targets enabled. LDC still uses the real
format of the host. This is different on ARM (80bit on
Linux/x86 vs. 64bit on Linux/ARM). Do not expect that
On Tuesday, July 19, 2016 12:23:11 celavek via Digitalmars-d-learn wrote:
> On Tuesday, 19 July 2016 at 09:57:27 UTC, Lodovico Giaretta wrote:
> > On Tuesday, 19 July 2016 at 09:42:40 UTC, celavek wrote:
> >
> > Works for me:
> >
> > size_t[char] counts;
> > const string dna_chain =
> >
On 7/19/16 8:23 AM, celavek wrote:
On Tuesday, 19 July 2016 at 09:57:27 UTC, Lodovico Giaretta wrote:
On Tuesday, 19 July 2016 at 09:42:40 UTC, celavek wrote:
Works for me:
size_t[char] counts;
const string dna_chain =
"AGCCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAGAGTGTCTGATAGCAGC";
On Tuesday, 19 July 2016 at 07:23:52 UTC, John wrote:
auto bar(T...)(T x)
{
static if (T.length == 1 && isTuple!(T[0]))
return foo(x.expand);
else
return foo(x);
}
Hmm, this actually doesn't seem to be resolving my issue. I'm
still getting the error about not being able to
On Tuesday, 19 July 2016 at 12:30:49 UTC, celavek wrote:
final ulong[char] nucleotide_counts () const
{
return cached_counts;
}
BTW you can find enumap useful
https://forum.dlang.org/post/hloitwqnisvtgfoug...@forum.dlang.org
if you want to have small associative arrays
On Tuesday, 19 July 2016 at 12:23:11 UTC, celavek wrote:
On Tuesday, 19 July 2016 at 09:57:27 UTC, Lodovico Giaretta
wrote:
On Tuesday, 19 July 2016 at 09:42:40 UTC, celavek wrote:
Works for me:
size_t[char] counts;
const string dna_chain =
On 07/19/2016 02:30 PM, celavek wrote:
Hi,
I'm trying the following code:
class counter
{
public:
final ulong[char] nucleotide_counts () const
{
return cached_counts;
}
private:
ulong[char] cached_counts;
}
void main()
{
}
I get the following error from the
Hi,
I'm trying the following code:
class counter
{
public:
final ulong[char] nucleotide_counts () const
{
return cached_counts;
}
private:
ulong[char] cached_counts;
}
void main()
{
}
I get the following error from the compiler:
Error: cannot implicitly convert
On Tuesday, 19 July 2016 at 09:57:27 UTC, Lodovico Giaretta wrote:
On Tuesday, 19 July 2016 at 09:42:40 UTC, celavek wrote:
Works for me:
size_t[char] counts;
const string dna_chain =
"AGCCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAGAGTGTCTGATAGCAGC";
counts['A'] =
On Tuesday, 19 July 2016 at 09:55:43 UTC, Jonathan M Davis wrote:
On Tuesday, July 19, 2016 09:41:32 John via Digitalmars-d-learn
wrote:
auto result = count(dna_chain, 'A');
or if you know that the string is always going to just contain
ASCII (as seems likely based on the example), then
On Tuesday, 19 July 2016 at 07:23:52 UTC, John wrote:
auto bar(T...)(T x)
{
static if (T.length == 1 && isTuple!(T[0]))
return foo(x.expand);
else
return foo(x);
}
void main()
{
auto x = tuple(1, 2);
auto y = bar(x);
auto z = bar(x.expand);
On Tuesday, 19 July 2016 at 09:42:40 UTC, celavek wrote:
On Tuesday, 19 July 2016 at 09:41:32 UTC, John wrote:
On Tuesday, 19 July 2016 at 09:34:11 UTC, celavek wrote:
Hi,
I am trying to count characters in a string like:
const string dna_chain =
On Tuesday, July 19, 2016 09:41:32 John via Digitalmars-d-learn wrote:
> On Tuesday, 19 July 2016 at 09:34:11 UTC, celavek wrote:
> > Hi,
> >
> > I am trying to count characters in a string like:
> >
> > const string dna_chain =
> >
On Tuesday, 19 July 2016 at 09:41:32 UTC, John wrote:
On Tuesday, 19 July 2016 at 09:34:11 UTC, celavek wrote:
Hi,
I am trying to count characters in a string like:
const string dna_chain =
"AGCCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAGAGTGTCTGATAGCAGC";
counts['A'] =
On Tuesday, 19 July 2016 at 09:34:11 UTC, celavek wrote:
Hi,
I am trying to count characters in a string like:
const string dna_chain =
"AGCCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAGAGTGTCTGATAGCAGC";
counts['A'] = countchars!(dna_chain, 'A');
countchars(dna_chain, "A");
Hi,
I am trying to count characters in a string like:
const string dna_chain =
"AGCCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAGAGTGTCTGATAGCAGC";
counts['A'] = countchars!(dna_chain, 'A');
But I get a compilation error:
template instance countchars!(dna_chain, "C") does not match
On Tuesday, 19 July 2016 at 01:22:01 UTC, jmh530 wrote:
import std.typecons : isTuple, tuple;
import std.stdio : writeln;
auto foo(T...)(T x)
{
T[0] y;
foreach (i, e; x)
{
y += e;
}
return y;
}
auto bar(T)(T x)
{
static if
On Tuesday, 19 July 2016 at 06:32:32 UTC, Rufus Smith wrote:
Error: 'this' is only defined in non-static member functions,
not __lambda2
Lambda's are delegates and delegates have a "this" type of
pointer. I would like to get at it inside the lambda to check
for some things. I'm doing some
I am doing some weird stuff. I duplicate functions and modify
them in a portable way. One problem I have is that I cannot get
data in a relative way to be able to access attached functional
data.
Here is an kinda of thought example,
void base(int a, int b, int c)
{
...
}
This function
On Monday, 18 July 2016 at 20:15:30 UTC, John wrote:
On Monday, 18 July 2016 at 18:49:22 UTC, Rufus Smith wrote:
Suppose I have the following: alias func = void function(int);
Is there a way to convert it automatically to something the
same type except of delegate: alias del = toDel(func) =
Error: 'this' is only defined in non-static member functions, not
__lambda2
Lambda's are delegates and delegates have a "this" type of
pointer. I would like to get at it inside the lambda to check for
some things. I'm doing some funky stuff. I'm not concerned about
the scope or what this
On 2016-07-18 21:19, Rufus Smith wrote:
No, that converts an actual function. I need to create a new alias from
the old one.
You mean the actual type? John's answer will give you that.
I'd also like to be able to create a delegate with a different context
pointer.
You can explicitly set
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