diff options
| author | Ben Gamari <bgamari.foss@gmail.com> | 2016-01-04 16:42:08 +0100 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2016-01-04 16:42:21 +0100 |
| commit | da0f04305d7bdc172f7a7a7b73f171b83acca87f (patch) | |
| tree | b13ead9a9c5651a3cbf3f40b6e2191d052804c05 | |
| parent | 7e599f53e12e97a7e043919cd0d8b96f11bb18c0 (diff) | |
| download | haskell-da0f04305d7bdc172f7a7a7b73f171b83acca87f.tar.gz | |
Rewrite Haddocks for GHC.Base.const
Test Plan: Read it
Reviewers: austin, hvr, #core_libraries_committee
Subscribers: thomie
Differential Revision: https://phabricator.haskell.org/D1720
GHC Trac Issues: #11314
| -rw-r--r-- | libraries/base/GHC/Base.hs | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libraries/base/GHC/Base.hs b/libraries/base/GHC/Base.hs index 92a1ac39f7..1f989c4168 100644 --- a/libraries/base/GHC/Base.hs +++ b/libraries/base/GHC/Base.hs @@ -1023,7 +1023,12 @@ breakpointCond _ r = r data Opaque = forall a. O a --- | Constant function. +-- | @const x@ is a unary function which evaluates to @x@ for all inputs. +-- +-- For instance, +-- +-- >>> map (const 42) [0..3] +-- [42,42,42,42] const :: a -> b -> a const x _ = x |