On Tuesday, 3 October 2017 at 12:58:47 UTC, sighoya wrote:
On Tuesday, 3 October 2017 at 12:09:04 UTC, rikki cattermole
wrote:
On 03/10/2017 1:05 PM, sighoya wrote:
Especially, I mean something like
T<S> foo(S,T)(T<S> i)
{
...
}
struct Foo(T) {
T value;
}
T!S foo(S, alias T)(T!S v) { return v; }
void main() {
import std.stdio;
writeln(foo!(int, Foo)(Foo!int(1)));
}
Cool, but it seems that only a nesting of two is allowed, right?
This one gives an error:
T!S!R bar(alias T,alias S,R)(T!S!R v) {return v;}
Error: multiple ! arguments are not allowed
That is because you have to wrap multiple with ().
Use
T!(S!R)
instead.