Hi,

Should it be possible to use capnp::clone() to copy a DynamicStruct? 

This code currently doesn't compile:

#include <capnp/dynamic.h>
#include <capnp/message.h>
#include "foo.capnp.h"
int main() {
  capnp::MallocMessageBuilder mb;
  auto root = mb.initRoot<Foo>();
  auto a = root.asReader();
  auto a2 = capnp::clone(a); // succeeds
  auto b = capnp::toDynamic(a);
  auto b2 = capnp::clone(b); // fails
}

...but I'm not clear what it is about DynamicStructs that make them less 
copyable?

Cheers,
Vaci



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