Proposal: Add isLeft/isRight to Data.Either
I propose to add isLeft
/isRight
to Data.Either
. The corresponding thread on haskell-liraries
is here: http://www.haskell.org/pipermail/libraries/2012-November/018976.html
Trac metadata
Trac field | Value |
---|---|
Version | 7.6.1 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
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Blocking | |
CC | |
Operating system | |
Architecture |