sbt version up
Remove uneeded parenthesis
Add example program
sbt-idea version up
Add a line break between rules for readability
Merge branch 'r/array-literal' of github.com:kmizu/ruby_scala into r/array-literal
Formatting for readability
Implement 8.7.6.4 Array literals
Implement 8.7.6.4 Array literals (2). The form '%W|...|' is also implemented.
Remove debug print
Merge pull request #4 from kmizu/r/array-literal

8.7.6.4 Array literals