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Diffstat (limited to 'libraries/base/GHC/Natural.hs')
| -rw-r--r-- | libraries/base/GHC/Natural.hs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libraries/base/GHC/Natural.hs b/libraries/base/GHC/Natural.hs index 7e6d0a1026..32cf2d2579 100644 --- a/libraries/base/GHC/Natural.hs +++ b/libraries/base/GHC/Natural.hs @@ -101,8 +101,12 @@ data Natural = NatS# GmpLimb# -- ^ in @[0, maxBound::Word]@ -- __Invariant__: 'NatJ#' is used -- /iff/ value doesn't fit in -- 'NatS#' constructor. - deriving (Eq,Ord) -- NB: Order of constructors *must* + -- NB: Order of constructors *must* -- coincide with 'Ord' relation + deriving ( Eq -- ^ @since 4.8.0.0 + , Ord -- ^ @since 4.8.0.0 + ) + -- | Test whether all internal invariants are satisfied by 'Natural' value -- |