go readability fixes

- don't use _.
- use raw string literal, %q.
- error strings should not be capitalized.
4 files changed
tree: f92c34a5dec7fddeba18559719c7acfee1e9b181
  1. test/
  2. ast.go
  3. eval.go
  4. exec.go
  5. log.go
  6. main.go
  7. Makefile
  8. parser.go
  9. runtest.rb