Update operator_spaceship__const_reference.c++20.cpp

2023-09-28 12:37:52 +10:00 · 2023-09-28 12:37:52 +10:00 · 39ed357e30
commit 39ed357e30
parent 914e634a4c
1 changed files with 2 additions and 0 deletions
--- a/docs/examples/operator_spaceship__const_reference.c++20.cpp
+++ b/docs/examples/operator_spaceship__const_reference.c++20.cpp
@ -1,3 +1,4 @@
+#if __cplusplus >= 202002L
 #include <compare>
 #include <iostream>
 #include <nlohmann/json.hpp>
@ -38,3 +39,4 @@ int main()
    std::cout << string << " <=> " << number << " := " << to_string(string <=> number) << '\n'; // *NOPAD*
    std::cout << string << " <=> " << discarded << " := " << to_string(string <=> discarded) << '\n'; // *NOPAD*
 }
+#endif