Explicitly specify attribute value type for make_attr_ordering in exa…

…mples. C++20 removed argument type typedefs in standard function objects, which made it impossible to deduce the attribute value type from the standard function objects. This caused compilation errors with VS2022 in C++20 mode.
boostorg · Oct 25, 2021 · e957369 · e957369
1 parent 832979e
commit e957369
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/example/bounded_async_log/main.cpp b/example/bounded_async_log/main.cpp
@@ -88,7 +88,7 @@ int main(int argc, char* argv[])
         shared_ptr< sink_t > sink(new sink_t(
             boost::make_shared< backend_t >(),
             // We'll apply record ordering to ensure that records from different threads go sequentially in the file
-            keywords::order = logging::make_attr_ordering("RecordID", std::less< unsigned int >())));
+            keywords::order = logging::make_attr_ordering< unsigned int >("RecordID", std::less< unsigned int >())));
 
         sink->locked_backend()->add_stream(strm);
 

diff --git a/example/doc/sinks_async_ordering.cpp b/example/doc/sinks_async_ordering.cpp
@@ -60,8 +60,8 @@ boost::shared_ptr< sink_t > init_logging()
     // Wrap it into the frontend and register in the core
     boost::shared_ptr< sink_t > sink(new sink_t(
         backend,                                                                 /*< pointer to the pre-initialized backend >*/
-        keywords::order =
-            logging::make_attr_ordering("LineID", std::less< unsigned int >()),  /*< log record ordering predicate >*/
+        keywords::order = logging::make_attr_ordering< unsigned int >(           /*< log record ordering predicate >*/
+            "LineID", std::less< unsigned int >()),
         keywords::ordering_window = boost::posix_time::seconds(1)                /*< latency of log record processing >*/
     ));
     core->add_sink(sink);