Scala, Ruby, underscore.js でコレクションメソッドの対応表

自分用。
違うくね？とか漏れてるとかあったらプルリクエストください！

| Scala 2.10    | Ruby 2.1   |underscore.js|
|:--------------|:-----------|:------------|
| List(1,2,3)   | [1,2,3]    |             |
| l(0)          | l[0], at   |             |
| combination   |            |             |
| collect       |            |             |
| count         | count      | countBy     |
| contains      | include?,member? | contains, include    |
| diff          |            |             |
| drop          | drop       |             |
| dropRight     |            |             |
| dropWhile     | drop_while |             |
| exists        | any?       | any,some    |
| endWith       |            |             |
| filter        | select     | find,filter |
| filterNot     | reject     | reject      |
| find          | find       |             |
| flatten       | flatten    | flatten     |
| flatMap       |            |             |
| foldLeft      | inject     |             |
| foldRight     |            |             |
| forAll        | all?       | all,every   |
| foreach       | each       |             |
| groupBy       | group_by   | groupBy     |
| grouped       |            |             |
| head          | first      | first       |
| headOption    |            |             |
| init          |            |             |
| indexOf       | index      | indexOf     |
| indexWhere    |            |             |
| isEmpty       | empty?     |             |
| last          | last       | last        |
| lastOption    |            |             |
| intersect     | &          | intersect   |
| map           | collect,map| map         |
| max           | max        | max         |
| maxBy         | max_by     |             |
| min           | min        | min         |
| minBy         | min_by     |             |
| nonEmpty      |            |             |
| par           |            |             |
| partition     | partition  | partition   |
| product       |            |             |
| reduceLeft    | reduce     |   reduce    |
| reduceRight   |            | reduceRight |
| reverse       |            |             |
| scan          |            |             |
| size          | size,lenght|             |
| slice         | slice      |             |
| sortWith      |            |             |
| span          |            |             |
| splitAt       |            |             |
| sum           |            |             |
| tail          | tail       | tail,rest   |
| take          | take       |             |
| takeWhile     | take_while |             |
| union         |            | union       |
| unzip         |            |             |
| view          |            |             |
| zip           | zip        | zip         |
| zipWithIndex  |            |             |
|               | none?      |             |
|               | each_with_index |        |
|               | each_index |             |
|               | one?       |             |
|               | minmax     |             |
|               | grep       |             |
|               | delete     |             |
|               | delete_at  |             |
|               | shuffle    | shuffle     |
|               | permutation|             |
|               | fill       |             |
|               |            | where      |
|               |            | invoke     |
|               |            | pluck      |
|               |            | sample     |
|               |            | compact    |
|               |            | difference |
|               |            | uniq       |
|               |            | object     |