[ARROW-12944] [C++] String capitalize kernel

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 6.0.0
• Component/s: C++
• Labels: beginner kernel pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/28668
• Assignee: Eduardo Ponce
• Reporter: Ian Cook
• Created: 03/Jun/21 14:13
• Updated: 11/Jan/23 08:29
• Resolved: 04/Aug/21 15:05

Description

Capitalizes the first character in the string, like Python str.capitalize() 

Issue Links

• is a child of: ARROW-555 [C++] String algorithm library for StringArray/BinaryArray
• is depended upon by: ARROW-13615 [R] Bindings for stringr::str_to_sentence
• is related to: ARROW-12946 [C++] String swap case kernel
• relates to: ARROW-12714 [C++] String title case kernel
• links to: GitHub Pull Request #10857