Mixin and compile-time functions for code generation
Christian Köstlin
christian.koestlin at gmail.com
Fri Jun 30 14:03:22 UTC 2023
On 24.06.23 18:31, Cecil Ward wrote:
> I have a function that can be run at compile-time and which will be able
> to output code to be injected into the D source code stream. Can I get
> mixin whatever to do this for me? Mixin with a function that runs at
> compile-time and creates the required source ? Like D’s solution for a
> replacement for function-style C preprocessor macros ? - but far more
> advanced and capable ?
>
> I need to re-read Ali Çehreli’s excellent book for the third time.
Is this what you want todo:
```d
import std.string : format, capitalize;
import std.stdio : writeln;
string getter(string v)
{
return "auto get%s() { return %s; }".format(v.capitalize, v);
}
class T
{
int abc;
mixin(getter("abc"));
}
void main() {
auto t = new T();
writeln(t.getAbc());
}
```
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