pycapnp/capnp/fixMaybe.h
2013-10-15 22:36:14 -07:00

24 lines
No EOL
593 B
C++

#include "kj/common.h"
#include <stdexcept>
static_assert(CAPNP_VERSION >= 3000, "Version of Cap'n Proto C++ Library is too old. Please upgrade to a version >= 0.3 and then re-install this python library");
template<typename T>
T fixMaybe(::kj::Maybe<T> val) {
KJ_IF_MAYBE(new_val, val) {
return *new_val;
} else {
throw std::invalid_argument("member was null");
}
}
template<typename T>
const char * getEnumString(T & val) {
auto maybe_val = val.which();
KJ_IF_MAYBE(new_val, maybe_val) {
return new_val->getProto().getName().cStr();;
} else {
return "";
}
}