c++17 concepts with CPP_template for engine/idTable/ files (#1746)

Backport C++20 concepts in the `src/engine/idTable` directory back to C++17 using macros from `range-v3`

src/engine/idTable/CompressedExternalIdTable.h

@@ -22,6 +22,14 @@
 
 namespace ad_utility {
 
+namespace compressedExternalIdTable::detail {
+template <typename B, typename R>
+CPP_requires(HasPushBackRequires, requires(B& b, const R& r)(b.push_back(r)));
+
+template <typename B, typename R>
+CPP_concept HasPushBack = CPP_requires_ref(HasPushBackRequires, B, R);
+}  // namespace compressedExternalIdTable::detail
+
 using namespace ad_utility::memory_literals;
 
 // The default size for compressed blocks in the following classes.
@@ -338,8 +346,9 @@ class CompressedExternalIdTableBase {
   }
   // Add a single row to the input. The type of `row` needs to be something that
   // can be `push_back`ed to a `IdTable`.
-  void push(const auto& row) requires requires { currentBlock_.push_back(row); }
-  {
+  CPP_template(typename R)(
+      requires compressedExternalIdTable::detail::HasPushBack<
+          decltype(currentBlock_), R>) void push(const R& row) {
     ++numElementsPushed_;
     currentBlock_.push_back(row);
     if (currentBlock_.size() >= blocksize_) {
@@ -456,11 +465,11 @@ class CompressedExternalIdTable
 
   // When we have a static number of columns, then the `numCols` argument to the
   // constructor is redundant.
-  explicit CompressedExternalIdTable(
+  CPP_member explicit CPP_ctor(CompressedExternalIdTable)(
       std::string filename, ad_utility::MemorySize memory,
       ad_utility::AllocatorWithLimit<Id> allocator,
-      MemorySize blocksizeCompression = DEFAULT_BLOCKSIZE_EXTERNAL_ID_TABLE)
-      requires(NumStaticCols > 0)
+      MemorySize blocksizeCompression = DEFAULT_BLOCKSIZE_EXTERNAL_ID_TABLE)(
+      requires(NumStaticCols > 0))
       : CompressedExternalIdTable(std::move(filename), NumStaticCols, memory,
                                   std::move(allocator), blocksizeCompression) {}
 
@@ -583,11 +592,11 @@ class CompressedExternalIdTableSorter
 
   // When we have a static number of columns, then the `numCols` argument to the
   // constructor is redundant.
-  CompressedExternalIdTableSorter(
+  CPP_member CPP_ctor(CompressedExternalIdTableSorter)(
       std::string filename, ad_utility::MemorySize memory,
       ad_utility::AllocatorWithLimit<Id> allocator,
       MemorySize blocksizeCompression = DEFAULT_BLOCKSIZE_EXTERNAL_ID_TABLE,
-      Comparator comp = {}) requires(NumStaticCols > 0)
+      Comparator comp = {})(requires(NumStaticCols > 0))
       : CompressedExternalIdTableSorter(std::move(filename), NumStaticCols,
                                         memory, std::move(allocator),
                                         blocksizeCompression, comp) {}