#5162: Add Int index functions to Data.Set
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Reporter: sacundim | Owner: sacundim
Type: feature request | Status: closed
Priority: normal | Milestone:
Component: libraries (other) | Version: 7.0.3
Resolution: wontfix | Keywords: Data.Set
Testcase: | Blockedby:
Difficulty: | Os: Unknown/Multiple
Blocking: | Architecture: Unknown/Multiple
Failure: None/Unknown |
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Comment(by malcolm.wallace@…):
Note that, conceptually anyway, a Set's elements are unordered. If you
expose a specific ordering, then you are breaking the abstraction.
(It is unfortunate that Data.Set does use an ordering for efficient
representation, and that this ordering appears in the type signatures.
Ideally, even if the ordering were used internally, it would not be
visible to the outside world.)
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5162#comment:4>
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