[ARROW-8279] [C++] Do not export symbols from Codec implementations, remove need for PIMPL pattern

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.17.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/24473
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 31/Mar/20 01:50
• Updated: 11/Jan/23 07:59
• Resolved: 31/Mar/20 22:24

Description

This is a small bit of code tidying that I noticed while reviewing the recent compression patch

Issue Links

• links to: GitHub Pull Request #6774