cmd/compile/internal/syntax: print type parameters and type lists

types2 uses the syntax printer to print expressions (for tracing
or error messages), so we need to (at least) print type lists in
interfaces.

While at it, also implement the printing of type parameter lists.

Fixes #44766.

Change-Id: I36a4a7152d9bef7251af264b5c7890aca88d8dc3
Reviewed-on: https://go-review.googlesource.com/c/go/+/298549
Trust: Robert Griesemer <gri@golang.org>
Reviewed-by: Robert Findley <rfindley@google.com>
2 files changed
tree: 130202788ccb64a05f53351f985780cc03d71b3c
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. AUTHORS
  11. codereview.cfg
  12. CONTRIBUTING.md
  13. CONTRIBUTORS
  14. favicon.ico
  15. LICENSE
  16. PATENTS
  17. README.md
  18. robots.txt
  19. SECURITY.md
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