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mu-scm-message: don't require c++ >= 17

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This commit is contained in:
Dirk-Jan C. Binnema
2025-06-30 22:52:13 +03:00
parent 9360a641a9
commit 3f53e4b439
1 changed files with 3 additions and 2 deletions
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5
scm/mu-scm-message.cc
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@ -33,7 +33,7 @@ std::mutex map_lock;
constexpr auto max_message_map_size{512}; constexpr auto max_message_map_size{512};
struct MessageObject { struct MessageObject {
const Message message; Message message;
SCM foreign_object{}; SCM foreign_object{};
}; };
using MessageMap = std::unordered_map<std::string, MessageObject>; using MessageMap = std::unordered_map<std::string, MessageObject>;
@ -83,7 +83,8 @@ subr_message_object_make(SCM message_path_scm) try {
throw ScmError{"make-message", "failed to create message"}; throw ScmError{"make-message", "failed to create message"};
else { else {
// create a new object, store it in our map and return the foreign ptr. // create a new object, store it in our map and return the foreign ptr.
auto it = message_map.emplace(std::move(path), std::move(*res)); std::pair<std::string, MessageObject> item {path, MessageObject{std::move(*res), {}}};
auto it = message_map.emplace(std::move(item));
return it.first->second.foreign_object = scm_make_foreign_object_1( return it.first->second.foreign_object = scm_make_foreign_object_1(
message_type, const_cast<Message*>(&it.first->second.message)); message_type, const_cast<Message*>(&it.first->second.message));
} }