Add accessor for individual measurments, that isnt ambigous

Author: wcjohns

SpecUtils/SpecFile.h

@@ -1369,6 +1369,10 @@ class SpecFile
   const std::string &instrument_model() const;
   const std::string &instrument_id() const;
   std::vector< std::shared_ptr<const Measurement> > measurements() const;
+  std::shared_ptr<const Measurement> measurement_at_index( size_t num ) const;
+#if __cplusplus >= 201402L
+  [[deprecated( "Replaced by measurement_at_index to remove ambigiuty of calling" )]]
+#endif
   std::shared_ptr<const Measurement> measurement( size_t num ) const;
   std::shared_ptr<const DetectorAnalysis> detectors_analysis() const;
   const std::vector<std::shared_ptr<const MultimediaData>> &multimedia_data() const;

src/SpecFile.cpp

@@ -492,7 +492,7 @@ size_t SpecFile::num_measurements() const
 }//size_t num_measurements() const
 
 
-std::shared_ptr<const Measurement> SpecFile::measurement(
+std::shared_ptr<const Measurement> SpecFile::measurement_at_index(
                                                          size_t num ) const
 {
   std::unique_lock<std::recursive_mutex> lock( mutex_ );
@@ -504,6 +504,10 @@ std::shared_ptr<const Measurement> SpecFile::measurement(
   return measurements_[num];
 }
 
+std::shared_ptr<const Measurement> SpecFile::measurement( size_t num ) const
+{
+  return measurement_at_index( num );
+}
 
 DetectorType SpecFile::detector_type() const
 {