kevingurney commented on code in PR #37981:
URL: https://github.com/apache/arrow/pull/37981#discussion_r1343295807


##########
cpp/src/arrow/pretty_print.h:
##########
@@ -77,6 +77,9 @@ struct PrettyPrintOptions {
 
   /// If true, display schema metadata when pretty-printing a Schema
   bool show_schema_metadata = true;
+
+  /// Delimiter for separating individual elements of an Array (e.g. ",")
+  std::string array_element_delimiter = ",";

Review Comment:
   Hmm, good question.
   
   I considered using a shorter name like just `element_delimiter`, but I 
included `array_` because I thought that if we end up wanting to expose more 
options like the ability to specify a unique delimiter for `ChunkedArray` 
elements, that it might become ambiguous. In other words, it might be helpful 
to have both `array_element_delimiter` and `chunked_array_element_delimiter`.
   
   Do you think we should still remove `array_` given this consideration?



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