samples/hello_service/src/say_hello.cpp

#include "say_hello.hpp"
 
#include <fmt/format.h>
 
namespace samples::hello {
 
std::string SayHelloTo(std::string_view name) {
  if (name.empty()) {
    name = "unknown user";
  }
 
  return fmt::format("Hello, {}!\n", name);
}
 
}  // namespace samples::hello