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我剛開始學習Haskell。我選擇通過堆棧在PC上使用它。第一天,我和Chris Allen's tutorial一起工作,被卡在stack build
部分。該命令返回一個錯誤,如下圖所示:當涉及外部軟件包時,堆棧會生成'找不到軟件包'錯誤
C:\Users\USER\haskellProjects\bassbull>stack build
primitive-0.6.2.0: download
integer-logarithms-1.0.2: download
primitive-0.6.2.0: configure
primitive-0.6.2.0: build
integer-logarithms-1.0.2: configure
integer-logarithms-1.0.2: build
primitive-0.6.2.0: copy/register
integer-logarithms-1.0.2: copy/register
Progress: 2/11Running C:\Users\USER\AppData\Local\Programs\stack\x86_64-windows\
ghc-8.0.2\bin\ghc-pkg.EXE --user --no-user-package-db --package-db C:\sr\snapsho
ts\1602ab97\pkgdb describe --simple-output integer-logarithms --expand-pkgroot e
xited with ExitFailure 1
WARNING: cache is out of date: C:/Users/USER/AppData/Local/Programs/stack/x86_64
-windows/ghc-8.0.2\lib\package.conf.d\package.cache
ghc will see an old view of this package db. Use 'ghc-pkg recache' to fix.
ghc-pkg.EXE: cannot find package integer-logarithms
Running C:\Users\USER\AppData\Local\Programs\stack\x86_64-windows\ghc-8.0.2\bin\
ghc-pkg.EXE --user --no-user-package-db --package-db C:\sr\snapshots\1602ab97\pk
gdb describe --simple-output primitive --expand-pkgroot exited with ExitFailure
1
WARNING: cache is out of date: C:/Users/USER/AppData/Local/Programs/stack/x86_64
-windows/ghc-8.0.2\lib\package.conf.d\package.cache
ghc will see an old view of this package db. Use 'ghc-pkg recache' to fix.
ghc-pkg.EXE: cannot find package primitive
C:\Users\USER\haskellProjects\bassbull>stack exec ghc-pkg recache
C:\Users\USER\haskellProjects\bassbull>stack build
integer-logarithms-1.0.2: configure
integer-logarithms-1.0.2: build
primitive-0.6.2.0: configure
primitive-0.6.2.0: build
integer-logarithms-1.0.2: copy/register
primitive-0.6.2.0: copy/register
Progress: 2/11Running C:\Users\USER\AppData\Local\Programs\stack\x86_64-windows\
ghc-8.0.2\bin\ghc-pkg.EXE --user --no-user-package-db --package-db C:\sr\snapsho
ts\1602ab97\pkgdb describe --simple-output primitive --expand-pkgroot exited wit
h ExitFailure 1
ghc-pkg.EXE: cannot find package primitive
Running C:\Users\USER\AppData\Local\Programs\stack\x86_64-windows\ghc-8.0.2\bin\
ghc-pkg.EXE --user --no-user-package-db --package-db C:\sr\snapshots\1602ab97\pk
gdb describe --simple-output integer-logarithms --expand-pkgroot exited with Exi
tFailure 1
ghc-pkg.EXE: cannot find package integer-logarithms
C:\Users\USER\haskellProjects\bassbull>
嘗試其他教程後,我的結論是,這個嘗試安裝外部包和依賴時,只發生。
請幫助我擺脫過去面臨的挑戰,因爲我非常熱衷於學習編碼(和編碼)Haskell。