On Sunday, 24 March 2019 at 18:59:45 UTC, Adam D. Ruppe wrote:
Think of mixin() not as pasting code per se, but pasting an AST
node inside the compiler's data structures. It must be a
complete node of that tree that can be substituted in.
And because AST Nodes aren't expressions means you
Sunday Blog eXtra: Installing and Using a Linux Build Environment
URL:
http://gtkdcoding.com/2019/03/24/x0002-gtkd-in-a-linux-environment.html
On Sunday, 24 March 2019 at 18:18:39 UTC, sighoya wrote:
Hmm..., sounds like bad news. Is there any mixin technology for
statements?
mixin() works for statements too.
It is the *context* though. If mixin() appears where the compiler
expects an expression, it must give an expression. Ditto
On Sunday, 24 March 2019 at 18:43:51 UTC, Paul Backus wrote:
You can't return the result of a string mixin from a function.
Instead, return a string from your `GenIf` function, and mix it
in at the call site:
string GenIf()
{
return "if (true) { return true; } else { return false; }";
}
On Sunday, 24 March 2019 at 18:18:39 UTC, sighoya wrote:
Hmm..., sounds like bad news. Is there any mixin technology for
statements?
There was a recent thread on this.
https://forum.dlang.org/post/mailman.6499.1547823247.29801.digitalmar...@puremagic.com
However, do you have a clear use
On Sunday, 24 March 2019 at 16:18:49 UTC, sighoya wrote:
Why
auto GenIf()()
{
return mixin("if(true) { return true;} else {return
false;}");
}
public bool testFunction2()
{
GenIf!();
}
gives me:
onlineapp.d-mixin-3(3): Error: expression expected, not if
onlineapp.d(8): Error:
On Sunday, 24 March 2019 at 16:57:25 UTC, Rémy Mouëza wrote:
On Sunday, 24 March 2019 at 16:18:49 UTC, sighoya wrote:
Why
auto GenIf()()
{
return mixin("if(true) { return true;} else {return
false;}");
}
public bool testFunction2()
{
GenIf!();
}
gives me:
onlineapp.d-mixin-3(3):
On Sunday, 24 March 2019 at 16:18:49 UTC, sighoya wrote:
Why
auto GenIf()()
{
return mixin("if(true) { return true;} else {return
false;}");
}
public bool testFunction2()
{
GenIf!();
}
gives me:
onlineapp.d-mixin-3(3): Error: expression expected, not if
onlineapp.d(8): Error:
Why
auto GenIf()()
{
return mixin("if(true) { return true;} else {return false;}");
}
public bool testFunction2()
{
GenIf!();
}
gives me:
onlineapp.d-mixin-3(3): Error: expression expected, not if
onlineapp.d(8): Error: template instance `onlineapp.GenIf!()`
error instantiating
On 24.03.19 13:45, Francesco Mecca wrote:
```
alias Alg = Algebraic!(int, string);
void main()
{
int n = 2;
Alg value;
value = n == 2 ? 2 : "string";
}
```
The original code used SumType but the effect is the same.
I suppose that I could write the following:
```
if(n ==
https://run.dlang.io/is/zRcj59
```
alias Alg = Algebraic!(int, string);
void main()
{
int n = 2;
Alg value;
value = n == 2 ? 2 : "string";
}
```
The original code used SumType but the effect is the same.
I suppose that I could write the following:
```
if(n == 2) value =
On Saturday, 23 March 2019 at 07:18:02 UTC, number wrote:
The first one :), now there's still the other one "Here’s a
second code file for you."
Done. Thanks, eh.
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