[ARROW-15205] [Ruby] Add function to list available compute functions

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: GLib, Ruby
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/30706
• Assignee: Kouhei Sutou
• Reporter: Kanstantsin Ilchanka
• Created: 27/Dec/21 20:47
• Updated: 11/Jan/23 08:45
• Resolved: 01/Jan/22 21:25

Description

We can have something like this

Arrow::Function.all
Arrow::Function.list_names 

Issue Links

• links to: GitHub Pull Request #12056