#2054: :history doesn't work if :trace is not used initially
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Reporter: igloo | Owner:
Type: bug | Status: closed
Priority: normal | Milestone: 6.8.3
Component: GHCi | Version: 6.8.2
Severity: normal | Resolution: invalid
Keywords: | Difficulty: Unknown
Testcase: | Architecture: Unknown
Os: Unknown |
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Changes (by simonmar):
* status: new => closed
* resolution: => invalid
Comment:
This is the correct result. `main` is a CAF (see
[http://www.haskell.org/haskellwiki/Constant_applicative_form]), so the
breakpoint is only seen the first time it is evaluated. This is, I claim,
what you want: GHC is telling you that it didn't need to evaluate that
breakpoint the second time.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2054#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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