#4316: Multiline commands in GHCi
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Reporter: mitar | Owner: vivian
Type: feature request | Status: patch
Priority: normal | Milestone: 7.2.1
Component: GHCi | Version: 6.12.3
Resolution: | Keywords:
Testcase: | Blockedby:
Difficulty: | Os: Unknown/Multiple
Blocking: | Architecture: Unknown/Multiple
Failure: None/Unknown |
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Comment(by mitar):
Great work. But so my initial idea was lost. ;-(
I really do not understand - does everybody know exactly in advance the
whole body of do command they want to execute without having to see
intermediate results? Because this is why I like to use interactive GHCi,
to be able to do command by command.
For example, what I have at hand is a Haskell library for robot control.
It is based on StateT monad as it requires some internal state. And it
would be great if I could run that StateT monad and then issue one command
after the other. And see what happens. Then another command, and
another...
In my case it is simply impossible to write whole body in advance and then
execute it.
While, for example, in Matlab this is really a joy to do. You can your own
interactive prompt for commanding your robot.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4316#comment:31>
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