Minor updates

cpp/examples/parquet_io/CMakeLists.txt

@@ -17,6 +17,7 @@ project(
 include(../fetch_dependencies.cmake)
 
 add_library(parquet_io_utils OBJECT common_utils.cpp io_source.cpp)
+target_compile_features(parquet_io_utils PRIVATE cxx_std_17)
 target_link_libraries(parquet_io_utils PRIVATE cudf::cudf)
 
 # Build and install parquet_io

cpp/examples/parquet_io/io_source.cpp

@@ -25,6 +25,7 @@
 #include <thrust/host_vector.h>
 
 #include <filesystem>
+#include <fstream>
 #include <string>
 
 rmm::host_async_resource_ref pinned_memory_resource()

cpp/examples/parquet_io/parquet_io_multithreaded.cpp

@@ -30,6 +30,7 @@
 #include <filesystem>
 #include <stdexcept>
 #include <string>
+#include <thread>
 
 /**
  * @file parquet_io_multithreaded.cpp
@@ -349,11 +350,11 @@ int32_t main(int argc, char const** argv)
       input_multiplier = std::max(input_multiplier, std::stoi(std::string{argv[2]}));
       [[fallthrough]];
     case 2:
-      if (auto arg = std::string{argv[1]}; arg == "-h" or arg == "--help") {
-        print_usage();
-        return 0;
-      } else
-        input_paths = std::string{argv[1]};
+      // Check if instead of input_paths, the first argument is `-h` or `--help`
+      if (auto arg = std::string{argv[1]}; arg != "-h" and arg != "--help") {
+        input_paths = std::move(arg);
+        break;
+      }
       [[fallthrough]];
     default: print_usage(); throw std::runtime_error("");
   }