On Saturday, 16 March 2019 at 03:49:26 UTC, Paul Backus wrote:
On Friday, 15 March 2019 at 23:57:15 UTC, aliak wrote:
Anyone knows how to make this work?
You need an explicit `inout` on the return value of `make`:
auto ref make(T)(inout auto ref T value) {
return inout(S!T)(value);
}
Ah! Thanks! So next problem with that:
import std.stdio;
struct S(T) {
T value;
}
auto make(T)(inout auto ref T val) {
return inout(S!T)(val);
}
void main() {
writeln(make("hello") == S!string("hello"));
}
Error: Error: incompatible types for (make("hello")) ==
(S("hello")): immutable(S!(char[])) and S!string
I think that's just this bug (which is marked as a diagnostic for
some reason): https://issues.dlang.org/show_bug.cgi?id=19126
Thoughts on any workarounds?
