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| author | Ben Gamari <bgamari.foss@gmail.com> | 2018-01-26 13:06:34 -0500 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2018-01-26 14:37:28 -0500 |
| commit | 302aee52b61b754267c48465e94683f4aeda3fe8 (patch) | |
| tree | 0f9920c333f07d2d007f73ff2c4ec9c176e7c043 | |
| parent | 66961dc85e39bbc43a1c065ee00c381a7ee579e1 (diff) | |
| download | haskell-302aee52b61b754267c48465e94683f4aeda3fe8.tar.gz | |
base: Refactor Show ErrorCall instance into proper ShowS style
Test Plan: Validate
Reviewers: hvr, dfeuer
Reviewed By: dfeuer
Subscribers: dfeuer, rwbarton, thomie, carter
Differential Revision: https://phabricator.haskell.org/D4304
| -rw-r--r-- | libraries/base/GHC/Exception.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libraries/base/GHC/Exception.hs b/libraries/base/GHC/Exception.hs index d3a6745fa5..37f47a6123 100644 --- a/libraries/base/GHC/Exception.hs +++ b/libraries/base/GHC/Exception.hs @@ -184,7 +184,8 @@ instance Exception ErrorCall -- | @since 4.0.0.0 instance Show ErrorCall where showsPrec _ (ErrorCallWithLocation err "") = showString err - showsPrec _ (ErrorCallWithLocation err loc) = showString (err ++ '\n' : loc) + showsPrec _ (ErrorCallWithLocation err loc) = + showString err . showChar '\n' . showString loc errorCallException :: String -> SomeException errorCallException s = toException (ErrorCall s) |