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author | Benjamin Barenblat <bbarenblat@gmail.com> | 2022-01-19 13:48:47 -0500 |
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committer | Benjamin Barenblat <bbarenblat@gmail.com> | 2022-01-19 13:48:47 -0500 |
commit | 1c08bb700083d67ce5fbf5c955963bfed8150e3a (patch) | |
tree | a918e4ff933076c4b2a9ce0a9d06589086029719 /Utility/Process.hs | |
parent | d4f2b262a2afcc658c35694a089a983b9558b71a (diff) |
Convince GHC that a certain pattern match is exhaustive
Diffstat (limited to 'Utility/Process.hs')
-rw-r--r-- | Utility/Process.hs | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/Utility/Process.hs b/Utility/Process.hs index 1807a1335..90ddce81b 100644 --- a/Utility/Process.hs +++ b/Utility/Process.hs @@ -2,8 +2,9 @@ - processes, and logging. - - Copyright 2012-2015 Joey Hess <id@joeyh.name> + - Copyright 2022 Benjamin Barenblat <bbarenblat@gmail.com> - - - License: BSD-2-clause + - License: Apache-2.0 -} {-# LANGUAGE CPP, Rank2Types #-} @@ -178,12 +179,12 @@ withHandle h creator p a = creator p' $ a . select , std_out = Inherit , std_err = Inherit } - (select, p') - | h == StdinHandle = + (select, p') = case h of + StdinHandle -> (stdinHandle, base { std_in = CreatePipe }) - | h == StdoutHandle = + StdoutHandle -> (stdoutHandle, base { std_out = CreatePipe }) - | h == StderrHandle = + StderrHandle -> (stderrHandle, base { std_err = CreatePipe }) -- | Like withHandle, but passes (stdin, stdout) handles to the action. |