Making other compilers happy

Author: gershnik

test/test_utf_iteration.cpp

@@ -756,18 +756,24 @@ TEST_CASE( "Ranges" ) {
     std::stringstream stream("abc");
 
     CHECK(std::ranges::equal(as_utf32(std::vector({'a', 'b', 'c'})), std::array{U'a', U'b', U'c'}));
-    CHECK(std::ranges::equal(std::vector({'a', 'b', 'c'}) | as_utf32, std::array{U'a', U'b', U'c'}));
+    #if __cpp_lib_ranges >= 202202L
+        CHECK(std::ranges::equal(std::vector({'a', 'b', 'c'}) | as_utf32, std::array{U'a', U'b', U'c'}));
+    #endif
     CHECK(std::ranges::equal(as_utf32(std::forward_list({'a', 'b', 'c'})), std::array{U'a', U'b', U'c'}));
     CHECK(std::ranges::equal(as_utf32(std::ranges::istream_view<char>(stream)), std::array{U'a', U'b', U'c'}));
 
     CHECK(std::ranges::equal(as_utf16(std::vector({'a', 'b', 'c'})), std::array{u'a', u'b', u'c'}));
-    CHECK(std::ranges::equal(std::vector({'a', 'b', 'c'}) | as_utf16, std::array{u'a', u'b', u'c'}));
+    #if __cpp_lib_ranges >= 202202L
+        CHECK(std::ranges::equal(std::vector({'a', 'b', 'c'}) | as_utf16, std::array{u'a', u'b', u'c'}));
+    #endif
     CHECK(std::ranges::equal(as_utf16(std::forward_list({'a', 'b', 'c'})), std::array{u'a', u'b', u'c'}));
     stream.clear(); stream.seekg(0);
     CHECK(std::ranges::equal(as_utf16(std::ranges::istream_view<char>(stream)), std::array{u'a', u'b', u'c'}));
 
     CHECK(std::ranges::equal(as_utf8(std::vector({u'a', u'b', u'c'})), std::array{'a', 'b', 'c'}));
-    CHECK(std::ranges::equal(std::vector({u'a', u'b', u'c'}) | as_utf8, std::array{'a', 'b', 'c'}));
+    #if __cpp_lib_ranges >= 202202L
+        CHECK(std::ranges::equal(std::vector({u'a', u'b', u'c'}) | as_utf8, std::array{'a', 'b', 'c'}));
+    #endif
     CHECK(std::ranges::equal(as_utf8(std::forward_list({u'a', u'b', u'c'})), std::array{'a', 'b', 'c'}));
     stream.clear(); stream.seekg(0);
     CHECK(std::ranges::equal(as_utf8(std::ranges::istream_view<char>(stream)), std::array{'a', 'b', 'c'}));