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Add argument forwarding to {to,from}_json

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This commit is contained in:
Danny Robson 2012-08-15 16:04:10 +10:00
parent b17f7691a1
commit fcd3f73704
1 changed files with 9 additions and 6 deletions
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15
json.hpp
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@ -274,6 +274,9 @@ namespace json {
operator <<(std::ostream &os, const json::node &n); operator <<(std::ostream &os, const json::node &n);
// Instantiate this template for the type you wish to output. We use a
// helper class here to avoid partial template specialisation of a
// function (eg, for templated types).
template <typename T> template <typename T>
struct io { struct io {
static std::unique_ptr<json::node> serialise (const T&); static std::unique_ptr<json::node> serialise (const T&);
@ -282,14 +285,14 @@ namespace json {
} }
template <typename T> template <typename T, class ...Args>
json::node&& to_json (const T &t) { json::node&& to_json (const T &t, Args&&... args) {
return json::io<T>::serialise (t); return json::io<T>::serialise (t, std::forward<Args>(args)...);
} }
template <typename T> template <typename T, class ...Args>
T from_json (const json::node &n) { T from_json (const json::node &n, Args&&... args) {
return json::io<T>::deserialise (n); return json::io<T>::deserialise (n, std::forward<Args>(args)...);
} }
#endif #endif