What popped to me:
- Pattern Matching - This should be fun if it turns out well.
- Multi-line editing in REPL
- Enumerable#tally
[“a”, “b”, “c”, “b”].tally #=> {“a”=>1, “b”=>2, “c”=>1}
What popped to me:
[“a”, “b”, “c”, “b”].tally #=> {“a”=>1, “b”=>2, “c”=>1}