View Compilation Error

0_0_38613268_21200.cpp:67:1: error: 'concept' does not name a type
 concept Integral = std::is_integral_v<T>;
 ^~~~~~~
0_0_38613268_21200.cpp:67:1: note: 'concept' only available with -fconcepts
0_0_38613268_21200.cpp:68:10: error: 'Integral' has not been declared
 template<Integral T>
          ^~~~~~~~
0_0_38613268_21200.cpp:69:10: error: variable or field 'foo' declared void
 void foo(T value) {
          ^
0_0_38613268_21200.cpp:69:10: error: 'T' was not declared in this scope