[Issue 13930] std.concurrency can't send immutable AA to another thread

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13930

--- Comment #1 from Martin Nowak <c...@dawg.eu> ---
Receiving immutable AAs doesn't work either.

cat > bug.d << CODE
import std.concurrency;

void main()
{
    auto aa = receiveOnly!(immutable string[string]);
}
CODE

dmd -c bug

DPL/dmd/src/../../phobos/std/concurrency.d(760): Error: cannot modify immutable
expression ret.__expand_field_0
bug.d(5): Error: template instance
std.concurrency.receiveOnly!(immutable(string[string])) error instantiating

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