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| author | wygulmage <keith.wygant@gmail.com> | 2021-01-08 16:04:31 -0500 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2021-02-05 19:08:50 -0500 |
| commit | 6085cfb5e508e969ecb69d8dbeb8cfd1fb87ca3d (patch) | |
| tree | d662da93fcd184d5c648859885e8d354f033442d /libraries | |
| parent | ddbdec4128f0e6760c8c7a19344f2f2a7a3314bf (diff) | |
| download | haskell-6085cfb5e508e969ecb69d8dbeb8cfd1fb87ca3d.tar.gz | |
Remove misleading 'lazy' pattern matches from 'head' and 'tail' in Data.List.NonEmpty
Diffstat (limited to 'libraries')
| -rw-r--r-- | libraries/base/Data/List/NonEmpty.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libraries/base/Data/List/NonEmpty.hs b/libraries/base/Data/List/NonEmpty.hs index 45e8c9a8ea..d66d9c6a92 100644 --- a/libraries/base/Data/List/NonEmpty.hs +++ b/libraries/base/Data/List/NonEmpty.hs @@ -156,11 +156,11 @@ unfoldr f a = case f a of -- | Extract the first element of the stream. head :: NonEmpty a -> a -head ~(a :| _) = a +head (a :| _) = a -- | Extract the possibly-empty tail of the stream. tail :: NonEmpty a -> [a] -tail ~(_ :| as) = as +tail (_ :| as) = as -- | Extract the last element of the stream. last :: NonEmpty a -> a |