ARROW-4540: [Rust] Basic JSON reader

rust/arrow/src/csv/reader.rs

@@ -401,7 +401,7 @@ impl Default for ReaderBuilder {
 impl ReaderBuilder {
     /// Create a new builder for configuring CSV parsing options.
     ///
-    /// To convert a builder into a reader, call `Reader::from_builder`
+    /// To convert a builder into a reader, call `ReaderBuilder::build`
     ///
     /// # Example
     ///

rust/arrow/src/mod.rs → rust/arrow/src/json/mod.rs

@@ -15,14 +15,9 @@
 // specific language governing permissions and limitations
 // under the License.
 
-pub mod array;
-pub mod array_data;
-pub mod bitmap;
-pub mod buffer;
-pub mod builder;
-pub mod csv;
-pub mod datatypes;
-pub mod error;
-pub mod memory;
-pub mod record_batch;
-pub mod tensor;
+//! Transfer data between the Arrow memory format and JSON line-delimited records.
+
+pub mod reader;
+
+pub use self::reader::Reader;
+pub use self::reader::ReaderBuilder;