[R] Encapsulate fields of Parameter

  - Improve nullable handling

Change-Id: Ifa4c0e37d5725a9dd03000bc5bc892ff37436379
8 files changed
tree: ea6f56cb931c5bd33519d6484657cc964c6e64ee
  1. .settings/
  2. r/
  3. redocs/
  4. rhelp/
  5. rtm/
  6. .project
  7. LICENSE
  8. NOTICE.md
  9. pom.xml