Я хочу установить Scala REPL на windows10.Я посмотрел в интернете, но не могу найти, как мне получить scala двоичные файлы и REPL.Похоже, что по ссылкам я использую Intellij или sbt.Если я получу sbt, способ создать проект, например, sbt new hello, который, кажется, делает много вещей (см. Ниже)!
Вопрос 1 - Как я могу получить только REPL.Я не хочу создавать проекты, мне просто нужен инструмент командной строки для практики написания выражений.
Вопрос 2 - После установки sbt я сделал sbt new hello, и я был поражен, увидев результат вкомандная строка.Что sbt делает ниже и почему проект все еще не был создан (см. Ошибку в конце, Template not found for: hello? Я обрезал вывод, чтобы остаться в пределах ограничения слова
C:\Users\manuc\Documents\manu>mkdir scala_programs
C:\Users\manuc\Documents\manu>cd scala_programs
C:\Users\manuc\Documents\manu\scala_programs>sbt new hello
"about to robocopy"
-------------------------------------------------------------------------------
ROBOCOPY :: Robust File Copy for Windows
-------------------------------------------------------------------------------
Started : 14 September 2018 09:43:43
Source : C:\Program Files (x86)\sbt\lib\local-preloaded\
Dest : C:\Users\manuc\.sbt\preloaded\
Files : *.*
Options : *.* /S /E /DCOPY:DA /COPY:DAT /R:1000000 /W:30
------------------------------------------------------------------------------
New Dir 0 C:\Program Files (x86)\sbt\lib\local-preloaded\
New Dir 0 C:\Program Files (x86)\sbt\lib\local-preloaded\com.eed3si9n\
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New Dir 0 C:\Program Files (x86)\sbt\lib\local-preloaded\com.eed3si9n\gigahorse-core_2.12\0.3.0\
New Dir 3 C:\Program Files (x86)\sbt\lib\local-preloaded\com.eed3si9n\gigahorse-core_2.12\0.3.0\ivys\
100% New File 3160 ivy.xml
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------------------------------------------------------------------------------
Total Copied Skipped Mismatch FAILED Extras
Dirs : 364 364 0 0 0 0
Files : 507 507 0 0 0 0
Bytes : 49.48 m 49.48 m 0 0 0 0
Times : 0:00:06 0:00:02 0:00:00 0:00:04
Speed : 18593244 Bytes/sec.
Speed : 1063.913 MegaBytes/min.
Ended : 14 September 2018 09:43:50
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; support was removed in 8.0
Getting org.scala-sbt sbt 1.2.1 (this may take some time)...
downloading file:/C:/Users/manuc/.sbt/preloaded/org.scala-sbt/sbt/1.2.1/jars/sbt.jar ...
[SUCCESSFUL ] org.scala-sbt#sbt;1.2.1!sbt.jar (57ms)
downloading file:/C:/Users/manuc/.sbt/preloaded/org.scala-lang/scala-library/2.12.6/jars/scala-library.jar ...
[SUCCESSFUL ] org.scala-lang#scala-library;2.12.6!scala-library.jar (140ms)
..Шаблон не найден для: hello
C:\Users\manuc\Documents\manu\scala_programs>dir
Volume in drive C is OS
Volume Serial Number is 62A2-7F68
Directory of C:\Users\manuc\Documents\manu\scala_programs
14/09/2018 09:43 <DIR> .
14/09/2018 09:43 <DIR> ..
0 File(s) 0 bytes
2 Dir(s) 118,741,135,360 bytes free
C:\Users\manuc\Documents\manu\scala_programs>
C:\Users\manuc\Documents\manu\scala_programs>
C:\Users\manuc\Documents\manu\scala_programs>dir
Volume in drive C is OS
Volume Serial Number is 62A2-7F68
Directory of C:\Users\manuc\Documents\manu\scala_programs
14/09/2018 09:43 <DIR> .
14/09/2018 09:43 <DIR> ..
0 File(s) 0 bytes
2 Dir(s) 118,743,207,936 bytes free
C:\Users\manuc\Documents\manu\scala_programs>