From 9a3cee3dee3f6086e6bbc9acf9e0cf6279235772 Mon Sep 17 00:00:00 2001
From: Igor Krivenko <iskrivenko@proton.me>
Date: Sat, 24 Aug 2024 16:24:39 +0200
Subject: [PATCH] [test] Replace `std::enable_if` with `requires`

---
 test/c++/test_kernel.hpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/test/c++/test_kernel.hpp b/test/c++/test_kernel.hpp
index 2fde5a7e7..2303208fc 100644
--- a/test/c++/test_kernel.hpp
+++ b/test/c++/test_kernel.hpp
@@ -45,8 +45,9 @@ namespace som {
 
 // h5_read_mathematica_array(), complex arrays
 template <typename ArrayType>
-std::enable_if_t<is_complex<typename ArrayType::value_type>::value, ArrayType>
-h5_read_mathematica_array(h5::group g, std::string const& name) {
+ArrayType h5_read_mathematica_array(h5::group g, std::string const& name)
+  requires(is_complex<typename ArrayType::value_type>::value)
+{
   array<typename ArrayType::value_type, ArrayType::rank> res_re, res_im;
   h5_read(g, name + "/re", res_re);
   h5_read(g, name + "/im", res_im);
@@ -55,8 +56,9 @@ h5_read_mathematica_array(h5::group g, std::string const& name) {
 
 // h5_read_mathematica_array(), real arrays
 template <typename ArrayType>
-std::enable_if_t<!is_complex<typename ArrayType::value_type>::value, ArrayType>
-h5_read_mathematica_array(h5::group g, std::string const& name) {
+ArrayType h5_read_mathematica_array(h5::group g, std::string const& name)
+  requires(!is_complex<typename ArrayType::value_type>::value)
+{
   ArrayType res;
   h5_read(g, name, res);
   return res;