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Diffstat (limited to 'src/HSVIS/Diagnostic.hs')
| -rw-r--r-- | src/HSVIS/Diagnostic.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/HSVIS/Diagnostic.hs b/src/HSVIS/Diagnostic.hs index 116e4cd..2794461 100644 --- a/src/HSVIS/Diagnostic.hs +++ b/src/HSVIS/Diagnostic.hs @@ -16,7 +16,7 @@ instance Pretty Pos where -- | Inclusive-exclusive range of positions in a file. data Range = Range Pos Pos - deriving (Show) + deriving (Show, Eq, Ord) instance Semigroup Range where Range a b <> Range c d = Range (min a c) (max b d) |