summaryrefslogtreecommitdiff
path: root/libraries/base/Text/Read/Lex.hs
diff options
context:
space:
mode:
Diffstat (limited to 'libraries/base/Text/Read/Lex.hs')
-rw-r--r--libraries/base/Text/Read/Lex.hs10
1 files changed, 7 insertions, 3 deletions
diff --git a/libraries/base/Text/Read/Lex.hs b/libraries/base/Text/Read/Lex.hs
index d0d39c6648..7568f9afaf 100644
--- a/libraries/base/Text/Read/Lex.hs
+++ b/libraries/base/Text/Read/Lex.hs
@@ -68,15 +68,19 @@ data Lexeme
| Symbol String -- ^ Haskell symbol, e.g. @>>@, @:%@
| Number Number -- ^ @since 4.6.0.0
| EOF
- deriving (Eq, Show)
+ deriving ( Eq -- ^ @since 2.01
+ , Show -- ^ @since 2.01
+ )
--- | @since 4.7.0.0
+-- | @since 4.6.0.0
data Number = MkNumber Int -- Base
Digits -- Integral part
| MkDecimal Digits -- Integral part
(Maybe Digits) -- Fractional part
(Maybe Integer) -- Exponent
- deriving (Eq, Show)
+ deriving ( Eq -- ^ @since 4.6.0.0
+ , Show -- ^ @since 4.6.0.0
+ )
-- | @since 4.5.1.0
numberToInteger :: Number -> Maybe Integer