use correct namespace in cuio code examples (#9037)

use correct namespace in cuio reader/writer code examples

Authors:
  - Christopher Harris (https://github.com/cwharris)

Approvers:
  - Nghia Truong (https://github.com/ttnghia)
  - Karthikeyan (https://github.com/karthikeyann)
  - Devavret Makkar (https://github.com/devavret)

URL: #9037

cpp/include/cudf/io/avro.hpp

@@ -195,12 +195,9 @@ class avro_reader_options_builder {
  *
  * The following code snippet demonstrates how to read a dataset from a file:
  * @code
- *  ...
- *  std::string filepath = "dataset.avro";
- *  cudf::avro_reader_options options =
- * cudf::avro_reader_options::builder(cudf::source_info(filepath));
- *  ...
- *  auto result = cudf::read_avro(options);
+ *  auto source  = cudf::io::source_info("dataset.avro");
+ *  auto options = cudf::io::avro_reader_options::builder(source);
+ *  auto result  = cudf::io::read_avro(options);
  * @endcode
  *
  * @param options Settings for controlling reading behavior.

cpp/include/cudf/io/csv.hpp

@@ -1185,11 +1185,9 @@ class csv_reader_options_builder {
  *
  * The following code snippet demonstrates how to read a dataset from a file:
  * @code
- *  std::string filepath = "dataset.csv";
- *  cudf::io::csv_reader_options options =
- * cudf::io::csv_reader_options::builder(cudf::source_info(filepath));
- *  ...
- *  auto result = cudf::read_csv(options);
+ *  auto source  = cudf::io::source_info("dataset.csv");
+ *  auto options = cudf::io::csv_reader_options::builder(source);
+ *  auto result  = cudf::io::read_csv(options);
  * @endcode
  *
  * @param options Settings for controlling reading behavior.
@@ -1514,12 +1512,12 @@ class csv_writer_options_builder {
  *
  * The following code snippet demonstrates how to write columns to a file:
  * @code
- *  std::string filepath = "dataset.csv";
- *  cudf::io::sink_info sink_info(filepath);
+ *  auto destination = cudf::io::sink_info("dataset.csv");
+ *  auto options     = cudf::io::csv_writer_options(destination, table->view())
+ *    .na_rep(na)
+ *    .include_header(include_header)
+ *    .rows_per_chunk(rows_per_chunk);
  *
- *  cudf::io::csv_writer_options options = cudf::io::csv_writer_options(sink_info,
- * table->view()).na_rep(na).include_header(include_header).rows_per_chunk(rows_per_chunk);
- *  ...
  *  cudf::io::write_csv(options);
  * @endcode
  *

cpp/include/cudf/io/json.hpp

@@ -350,11 +350,9 @@ class json_reader_options_builder {
  *
  * The following code snippet demonstrates how to read a dataset from a file:
  * @code
- *  ...
- *  std::string filepath = "dataset.json";
- *  cudf::read_json_options options = cudf::read_json_options::builder(cudf::source_info(filepath));
- *  ...
- *  auto result = cudf::read_json(options);
+ *  auto source  = cudf::io::source_info("dataset.json");
+ *  auto options = cudf::io::read_json_options::builder(source);
+ *  auto result  = cudf::io::read_json(options);
  * @endcode
  *
  * @param options Settings for controlling reading behavior.

cpp/include/cudf/io/orc.hpp

@@ -346,12 +346,9 @@ class orc_reader_options_builder {
  *
  * The following code snippet demonstrates how to read a dataset from a file:
  * @code
- *  ...
- *  std::string filepath = "dataset.orc";
- *  cudf::orc_reader_options options =
- * cudf::orc_reader_options::builder(cudf::source_info(filepath));
- *  ...
- *  auto result = cudf::read_orc(options);
+ *  auto source  = cudf::io::source_info("dataset.orc");
+ *  auto options = cudf::io::orc_reader_options::builder(source);
+ *  auto result  = cudf::io::read_orc(options);
  * @endcode
  *
  * Note: Support for reading files with struct columns is currently experimental, the output may not
@@ -568,12 +565,9 @@ class orc_writer_options_builder {
  *
  * The following code snippet demonstrates how to write columns to a file:
  * @code
- *  ...
- *  std::string filepath = "dataset.orc";
- *  cudf::orc_writer_options options = cudf::orc_writer_options::builder(cudf::sink_info(filepath),
- * table->view());
- *  ...
- *  cudf::write_orc(options);
+ *  auto destination = cudf::io::sink_info("dataset.orc");
+ *  auto options     = cudf::io::orc_writer_options::builder(destination, table->view());
+ *  cudf::io::write_orc(options);
  * @endcode
  *
  * @param options Settings for controlling reading behavior.

cpp/include/cudf/io/parquet.hpp

@@ -354,12 +354,9 @@ class parquet_reader_options_builder {
  *
  * The following code snippet demonstrates how to read a dataset from a file:
  * @code
- *  ...
- *  std::string filepath = "dataset.parquet";
- *  cudf::io::parquet_reader_options options =
- *  cudf::io::parquet_reader_options::builder(cudf::source_info(filepath));
- *  ...
- *  auto result = cudf::read_parquet(options);
+ *  auto source  = cudf::io::source_info("dataset.parquet");
+ *  auto options = cudf::io::parquet_reader_options::builder(source);
+ *  auto result  = cudf::io::read_parquet(options);
  * @endcode
  *
  * @param options Settings for controlling reading behavior
@@ -784,12 +781,9 @@ class parquet_writer_options_builder {
  *
  * The following code snippet demonstrates how to write columns to a file:
  * @code
- *  ...
- *  std::string filepath = "dataset.parquet";
- *  cudf::io::parquet_writer_options options =
- *  cudf::io::parquet_writer_options::builder(cudf::sink_info(filepath), table->view());
- *  ...
- *  cudf::write_parquet(options);
+ *  auto destination = cudf::io::sink_info("dataset.parquet");
+ *  auto options     = cudf::io::parquet_writer_options::builder(destination, table->view());
+ *  cudf::io::write_parquet(options);
  * @endcode
  *
  * @param options Settings for controlling writing behavior.
@@ -1019,15 +1013,12 @@ std::unique_ptr<std::vector<uint8_t>> merge_rowgroup_metadata(
  * one logical table by writing a series of individual cudf::tables.
  *
  * @code
- *  ...
- *  std::string filepath = "dataset.parquet";
- *  cudf::io::chunked_parquet_writer_options options =
- *  cudf::io::chunked_parquet_writer_options::builder(cudf::sink_info(filepath), table->view());
- *  ...
- *  cudf::io::parquet_chunked_writer writer(options)
+ *  auto destination = cudf::io::sink_info("dataset.parquet");
+ *  auto options = cudf::io::chunked_parquet_writer_options::builder(destination, table->view());
+ *  auto writer  = cudf::io::parquet_chunked_writer(options);
+ *
  *  writer.write(table0)
  *  writer.write(table1)
- *  ...
  *  writer.close()
  *  @endcode
  */