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Merge pull request #345 from redboltz/added_has_as_to_pair

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Added has_as SFINAE.
This commit is contained in:
Nobuyuki Kubota
2015-08-17 12:21:25 -07:00
parent 57b030a6dd 062864a6b7
commit 722143c0de
1 changed files with 4 additions and 1 deletions
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5
include/msgpack/adaptor/pair.hpp
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@@ -20,6 +20,8 @@
#include "msgpack/versioning.hpp"
#include "msgpack/adaptor/adaptor_base.hpp"
#include "msgpack/meta.hpp"
#include <utility>
namespace msgpack {
@@ -33,7 +35,8 @@ namespace adaptor {
#if !defined(MSGPACK_USE_CPP03)
template <typename T1, typename T2>
struct as<std::pair<T1, T2>> {
struct as<std::pair<T1, T2>,
typename std::enable_if<msgpack::all_of<msgpack::has_as, T1, T2>::value>::type> {
std::pair<T1, T2> operator()(msgpack::object const& o) const {
if (o.type != msgpack::type::ARRAY) { throw msgpack::type_error(); }
if (o.via.array.size != 2) { throw msgpack::type_error(); }