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author | Tommy Bidne <tbidne@protonmail.com> | 2022-08-12 11:14:37 +1200 |
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committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2022-09-01 12:01:20 -0400 |
commit | 31a8989a1d4aa5fe1e3ed0b2e789145bb64a8ba8 (patch) | |
tree | c776384a8b95b0fe9b0207df71c091ea3ad06a2b /libraries/ghc-prim | |
parent | 7d3a055d4df6842f8fbcfbc1ca96e2a45a47d351 (diff) | |
download | haskell-31a8989a1d4aa5fe1e3ed0b2e789145bb64a8ba8.tar.gz |
Change Ord defaults per CLC proposal
Approved by CLC in https://github.com/haskell/core-libraries-committee/issues/24#issuecomment-1233331267
Diffstat (limited to 'libraries/ghc-prim')
-rw-r--r-- | libraries/ghc-prim/GHC/Classes.hs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libraries/ghc-prim/GHC/Classes.hs b/libraries/ghc-prim/GHC/Classes.hs index aa1c1b2d8b..3ca06ac144 100644 --- a/libraries/ghc-prim/GHC/Classes.hs +++ b/libraries/ghc-prim/GHC/Classes.hs @@ -333,10 +333,11 @@ class (Eq a) => Ord a where else if x <= y then LT else GT - x < y = case compare x y of { LT -> True; _ -> False } x <= y = case compare x y of { GT -> False; _ -> True } - x > y = case compare x y of { GT -> True; _ -> False } - x >= y = case compare x y of { LT -> False; _ -> True } + x >= y = y <= x + x > y = not (x <= y) + x < y = not (y <= x) + -- These two default methods use '<=' rather than 'compare' -- because the latter is often more expensive |