ren*_*ick 5 haskell prompt ghci read-eval-print-loop
当我在ghci中开始一个会话时,我使用:
:set prompt >>
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但是,某些函数调用在评估时仍会在提示符处显示模块名称.我想,除了我的自定义提示,我从不想要任何其他内容.
实际ghci输出:
>>m00 <- iOIandRTfromPhrase 0.25 2 2 4 [2] 2 [2] 4.0 3
>>rs <- newMMap [("100",m00)]
>>:{
*ExperimentalConductive ExperimentalConductive Music.Theory.Bjorklund SuperDirtAction NonlinearEnsemble EnsembleNew Control.Concurrent Data.List| let lsysTest rules axiom gen phraseLength = do
*ExperimentalConductive ExperimentalConductive Music.Theory.Bjorklund SuperDirtAction NonlinearEnsemble EnsembleNew Control.Concurrent Data.List| f <- flatRandomPattern gen rules axiom [0.25,0.5..1.5] phraseLength
*ExperimentalConductive ExperimentalConductive Music.Theory.Bjorklund SuperDirtAction NonlinearEnsemble EnsembleNew Control.Concurrent Data.List| return f
*ExperimentalConductive ExperimentalConductive Music.Theory.Bjorklund SuperDirtAction NonlinearEnsemble EnsembleNew Control.Concurrent Data.List| :}
>>:{
*ExperimentalConductive ExperimentalConductive Music.Theory.Bjorklund SuperDirtAction NonlinearEnsemble EnsembleNew Control.Concurrent Data.List| let lsysTestB rules axiom gen iois phraseLength = do
*ExperimentalConductive ExperimentalConductive Music.Theory.Bjorklund SuperDirtAction NonlinearEnsemble EnsembleNew Control.Concurrent Data.List| f <- flatRandomPattern gen rules axiom iois phraseLength
*ExperimentalConductive ExperimentalConductive Music.Theory.Bjorklund SuperDirtAction NonlinearEnsemble EnsembleNew Control.Concurrent Data.List| return f
*ExperimentalConductive ExperimentalConductive Music.Theory.Bjorklund SuperDirtAction NonlinearEnsemble EnsembleNew Control.Concurrent Data.List| :}
>>
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设置prompt-cont似乎不会改变输出.
:set prompt-cont |
一些标志尚未被识别:prompt-cont,|
:{
*ExperimentalConductive ExperimentalConductive Music.Theory.Bjorklund SuperDirtAction NonlinearEnsemble EnsembleNew Control.Concurrent Data.List | 让lsys规则axiom gen phraseLength iOIs = do
答案,从左下方开始:较旧的ghci需要设置提示2.较新版本可能需要不同的命令,如下面的注释中所述.
好吧,这确实是一个提示问题,但不是prompt问题。:{ :}GHCi 中的继续使用不同的提示,即prompt-cont.
GHCi, version 8.2.1: http://www.haskell.org/ghc/ :? for help
Prelude> :set prompt >>
>>:set prompt-cont |
>>:{
|let foo :: [Int]
| foo = [37, 9, 18]
|:}
>>foo
[37,9,18]
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在较旧的 GHCi 版本中,prompt-cont被称为prompt2:
GHCi, version 7.10.2: http://www.haskell.org/ghc/ :? for help
Prelude> :set prompt >>
>>:set prompt2 |
>>:{
|let foo :: [Int]
| foo = [37, 9, 18]
|:}
>>foo
[37,9,18]
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我建议您也检查一下IHaskell您是否喜欢具有在本地代码块中定义函数的适当能力的 REPL。GHCi 对此的支持总是有点繁琐。
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