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| author | Alex Dixon <alex@vinder> | 2023-04-06 15:14:30 +0100 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2023-04-07 18:27:45 -0400 |
| commit | 5193c2b00194a4f536f0c31fe48ef4648b55a416 (patch) | |
| tree | 29d30996993087de3c20db2b6bbe7e9810196cc3 /libraries | |
| parent | cbbfb283dc58f6d582638ee60a96dc5c4b8acc4a (diff) | |
| download | haskell-5193c2b00194a4f536f0c31fe48ef4648b55a416.tar.gz | |
Remove trailing whitespace from ($) commentary
Diffstat (limited to 'libraries')
| -rw-r--r-- | libraries/base/GHC/Base.hs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/libraries/base/GHC/Base.hs b/libraries/base/GHC/Base.hs index f5b0db645a..7302bc5642 100644 --- a/libraries/base/GHC/Base.hs +++ b/libraries/base/GHC/Base.hs @@ -1606,8 +1606,8 @@ flip f x y = f y x -- (\x -> undefined x) `seq` () and thus would just evaluate to (), but now -- it is equivalent to undefined `seq` () which diverges. -{- | @($)@ is the __function application__ operator. - +{- | @($)@ is the __function application__ operator. + Applying @($)@ to a function @f@ and an argument @x@ gives the same result as applying @f@ to @x@ directly. The definition is akin to this: @ @@ -1649,7 +1649,7 @@ we can deploy the function application operator: @ -- | Sum numbers in a string: strSum "100 5 -7" == 98 strSum :: 'String' -> 'Int' -strSum s = 'sum' '$' 'Data.Maybe.mapMaybe' 'Text.Read.readMaybe' '$' 'words' s +strSum s = 'sum' '$' 'Data.Maybe.mapMaybe' 'Text.Read.readMaybe' '$' 'words' s @ @($)@ is also used as a section (a partially applied operator), in order to indicate that we wish to apply some yet-unspecified function to a given value. For example, to apply the argument @5@ to a list of functions: |