从函数式语言到 Nu
这个表格的目的是帮助你了解 Nu 的内置和插件所提供命令与函数式语言的关系。我们试图制作一张所有 Nu 命令和它们在其他语言中的映射关系的表。欢迎大家参与贡献。
注意：此表针对 Nu 0.43 或更高版本。
| Nushell | Clojure | Tablecloth (Ocaml / Elm) | Haskell |
|---|---|---|---|
| append | conj, into, concat | append, (++), concat, concatMap | (++) |
| into binary | Integer/toHexString | showHex | |
| count | count | length, size | length, size |
| date | java.time.LocalDate/now | ||
| each | map, mapv, iterate | map, forEach | map, mapM |
| exit | System/exit | ||
| first | first | head | head |
| format | format | Text.Printf.printf | |
| group-by | group-by | group, groupBy | |
| help | doc | ||
| is-empty | empty? | isEmpty | |
| last | last, peek, take-last | last | last |
| lines | lines, words, split-with | ||
| match | match (Ocaml), case (Elm) | case | |
| nth | nth | Array.get | lookup |
| open | with-open | ||
| transpose | (apply mapv vector matrix) | transpose | |
| prepend | cons | cons, :: | :: |
| println | putStrLn, print | ||
| range, 1..10 | range | range | 1..10, 'a'..'f' |
| reduce | reduce, reduce-kv | foldr | foldr |
| reverse | reverse, rseq | reverse, reverseInPlace | reverse |
| select | select-keys | ||
| shuffle | shuffle | ||
| size | count | size, length | |
| skip | rest | tail | tail |
| skip until | drop-while | ||
| skip while | drop-while | dropWhile | dropWhile, dropWhileEnd |
| sort-by | sort, sort-by, sorted-set-by | sort, sortBy, sortWith | sort, sortBy |
| split row | split, split-{at,with,lines} | split, words, lines | split, words, lines |
| str | clojure.string functions | String functions | |
| str join | join | concat | intercalate |
| str trim | trim, triml, trimr | trim, trimLeft, trimRight | strip |
| sum | apply + | sum | sum |
| take | take, drop-last, pop | take, init | take, init |
| take until | take-while | takeWhile | takeWhile |
| take while | take-while | takeWhile | takeWhile |
| uniq | set | Set.empty | Data.Set |
| where | filter, filterv, select | filter, filterMap | filter |