maybe still ignore booleans

example/example.cpp

@@ -416,9 +416,6 @@ void attribute_example() {
     spdlog::push_context({{"llong", ll }});
     spdlog::push_context({{"ullong", ull }});
     
-    // chars shouldnt work?
-    // spdlog::push_context({{"char", 'a' }});
-    
     // floats shouldnt work
     // spdlog::push_context({{"float", 1.0f }});
     // spdlog::push_context({{"double", 1.0 }});

include/spdlog/details/log_attr.h

@@ -17,6 +17,7 @@ struct is_string
 template<typename T>
 struct is_number : public std::integral_constant<bool, 
     std::is_integral<T>::value
+    && !std::is_same<T, bool>::value
     // || std::is_floating_point<T>::value
 >
 {};