Hi William, When init()ing a Text field, you need to specify the size of the text:
req.getPayload().initAs<Text>(123); You can also directly set the field to an existing string: req.getPayload().setAs<Text>("foo"); -Kenton On Fri, Dec 7, 2018 at 10:30 AM <william.b...@gmail.com> wrote: > Hello, > > using cap'n'proto c++ library, I've made a structure for generic request > exchange > > struct Request { > timestamp @0: UInt64; > resource @1: Text; > payload @2: AnyPointer; > } > > resource used for the request name, and payload for the request argument. > > I successfully used it with custom structure inside the payload, but I > can't figure out how I can put simple Text in the payload > > ::capnp::MallocMessageBuilder message; > Request::Builder req = message.initRoot<Request>(); > req.setTimestamp(timestamp_now()); > > req.setResource("MyRequest"); > > > > and now I would like to init the payload and put text in it. I tried > something like that > auto payload_text = req.getPayload().initAs<Text>(); > gives me > error: too few arguments to function call, expected 2, have 1 > return _::PointerHelpers<T>::init(builder); > > auto payload_text = req.getPayload().getAs<Text>(); > compile, but then I cannot change the text in payload_text > > I couldn't find any sample where AnyPointer is used with Text. Any clue ? > > Best regards, > > William > > -- > You received this message because you are subscribed to the Google Groups > "Cap'n Proto" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to capnproto+unsubscr...@googlegroups.com. > Visit this group at https://groups.google.com/group/capnproto. > -- You received this message because you are subscribed to the Google Groups "Cap'n Proto" group. To unsubscribe from this group and stop receiving emails from it, send an email to capnproto+unsubscr...@googlegroups.com. Visit this group at https://groups.google.com/group/capnproto.