[ARROW-13106] [C++] String formatting kernel

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: C++
• External issue URL: https://github.com/apache/arrow/issues/28810
• Assignee: Unassigned
• Reporter: Ian Cook
• Created: 17/Jun/21 17:53
• Updated: 11/Jan/23 08:30

Description

Implement a string formatting kernel. There are several possible designs we could consider for this:

• a variadic kernel that works like fmt::format or std::format in C++20 (probably the best option)
• something more similar to Python str.format
• something more like C++ printf

Issue Links

• is a child of: ARROW-555 [C++] String algorithm library for StringArray/BinaryArray
• is depended upon by: ARROW-13105 [R] Bindings for glue()
• is duplicated by: ARROW-12990 [C++][Compute] Add utf8_format kernel
• relates to: ARROW-12709 [C++] Add variadic string join kernel