On Wednesday, 8 December 2021 at 17:05:49 UTC, Timon Gehr wrote:
```d
import std.stdio, std.traits, core.lifetime;
auto partiallyApply(alias fun,C...)(C context){
return &new class(move(context)){
C context;
this(C context) { foreach(i,ref c;this.context)
c=move(context[i]); }
auto opCall(ParameterTypeTuple!fun[context.length..$]
args) {
return fun(context,forward!args);
}
}.opCall;
}
alias Action = void delegate();
Action createDelegate(string s){
import std.stdio;
return partiallyApply!((string str) => writeln(str))(s);
}
struct A{ Action[] dg; }
A create(){
A a;
a.dg ~= createDelegate("hello");
a.dg ~= createDelegate("buy");
return a;
}
void main(){
enum a = create();
foreach(dg; a.dg)
dg();
}
```
This is great, thanks you!