const qualify method and member ptr

Author: lia-viam

src/viam/sdk/log/logger.cpp

@@ -67,7 +67,7 @@ std::string global_resource_name() {
     return "Viam C++ SDK";
 }
 
-bool Logger::Filter::operator()(const boost::log::attribute_value_set& attrs) {
+bool Logger::Filter::operator()(const boost::log::attribute_value_set& attrs) const {
     auto sev = attrs[attr_sev_type{}];
     if (!sev) {
         return false;

src/viam/sdk/log/logger.hpp

@@ -58,9 +58,9 @@ std::string global_resource_name();
 class Logger {
    public:
     struct Filter {
-        Logger* parent;
+        const Logger* parent;
 
-        bool operator()(const boost::log::attribute_value_set&);
+        bool operator()(const boost::log::attribute_value_set&) const;
     };
 
     /// @brief Returns the unique logger instance.