[code-reflection] RFR: Unary plus [v2]

[Paul Sandoz]

> Support unary plus operator. No need to explicitly model as it has no direct operational semantics.

Paul Sandoz has updated the pull request incrementally with one additional commit since the last revision:

  Add comments to tests

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Changes:
  - all: https://git.openjdk.org/babylon/pull/213/files
  - new: https://git.openjdk.org/babylon/pull/213/files/4ce02a21..38fe9b1b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=213&range=01
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=213&range=00-01

  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/babylon/pull/213.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/213/head:pull/213

PR: https://git.openjdk.org/babylon/pull/213