Merge branch 'stdenableif' into '23.0'

Use std::enable_if instead of boost::enable_if

See merge request atlas/athena!64188

Control/RootUtils/RootUtils/PyROOTIteratorFuncs.h

@@ -31,9 +31,7 @@
 #ifndef ROOTUTILS_PYROOTITERATORFUNCS_H
 #define ROOTUTILS_PYROOTITERATORFUNCS_H
 
-
-#include "boost/utility/enable_if.hpp"
-#include "boost/type_traits/is_base_of.hpp"
+#include <type_traits>
 #include <iterator>
 
 
@@ -53,9 +51,10 @@ public:
 
 
   /// Ordering comparison.  Only supported by random access iterators.
-  static typename boost::enable_if<
-    boost::is_base_of<std::random_access_iterator_tag,
+  static typename std::enable_if<
+    std::is_base_of_v<std::random_access_iterator_tag,
                       typename std::iterator_traits<T>::iterator_category>,
+
      bool>::type
   lt (T a, T b) { return a < b; }
 };

Trigger/TrigAnalysis/TrigDecisionTool/TrigDecisionTool/FeatureCollectAthena.h

@@ -22,7 +22,7 @@
 
 #include <string>
 #include <set>
-#include "boost/type_traits/is_same.hpp"
+#include <type_traits>
 #include "boost/shared_ptr.hpp"
 #include "boost/lexical_cast.hpp"
 
@@ -93,7 +93,7 @@ namespace Trig {
 
     // is not substituded for DataVectors
     template<class T>
-    const typename boost::disable_if_c<isDataVector<T>::value, T>::type* 
+    const typename std::enable_if<!isDataVector<T>::value, T>::type* 
     use_or_construct(const T* source, const HLT::TriggerElement*, const std::string&, unsigned int, const HLT::NavigationCore*  ) {
       return source;
     }
@@ -101,7 +101,7 @@ namespace Trig {
     // is substituded for DataVectors
     template<class T>
     const typename
-    boost::enable_if_c<isDataVector<T>::value, T>::type*
+    std::enable_if<isDataVector<T>::value, T>::type*
     use_or_construct(const T* source, const HLT::TriggerElement* te, const std::string& label, unsigned int condition, const HLT::NavigationCore* navigation ) {
 
       const TrigPassBits* bits(0);
@@ -344,7 +344,7 @@ namespace Trig {
 
     // access by container, stored as container
     template<class CONT> TrigPassFlags
-    build_flags (const typename boost::enable_if_c<isDataVector<CONT>::value, CONT>::type *orig_cont, const CONT* cont, const TrigPassFlags * orig_tpf) {
+    build_flags (const typename std::enable_if<isDataVector<CONT>::value, CONT>::type *orig_cont, const CONT* cont, const TrigPassFlags * orig_tpf) {
       TrigPassFlags tpf(cont->size(), orig_tpf->flagSize());
 
       if(orig_cont->size() != orig_tpf->size()) {
@@ -370,7 +370,7 @@ namespace Trig {
 
 
     template<class T> TrigPassFlags
-    build_flags (const typename boost::disable_if_c<isDataVector<T>::value, T>::type *orig, const T* feature, const TrigPassFlags * orig_tpf) {
+    build_flags (const typename std::enable_if<!isDataVector<T>::value, T>::type *orig, const T* feature, const TrigPassFlags * orig_tpf) {
       if(orig != feature) return TrigPassFlags(); // a problem TODO: print a ERROR
 
       TrigPassFlags tpf(1, orig_tpf->flagSize());

Trigger/TrigEvent/TrigNavigation/TrigNavigation/NavigationCore.icc

@@ -11,7 +11,6 @@
 #include <iostream>
 #include <algorithm>
 #include <boost/mpl/if.hpp>
-#include <boost/utility/enable_if.hpp>
 
 #include "TrigNavigation/Holder.h"
 #include "TrigNavigation/Holder.icc"