From f281a9c99e27be9d5f228b6dd9b375a26febcdc3 Mon Sep 17 00:00:00 2001
From: "Edward Z. Yang" <ezyang@cs.stanford.edu>
Date: Sat, 8 Oct 2016 00:13:39 -0700
Subject: [PATCH] Comments on ghcOptInstantiatedWith.
Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
---
Cabal/Distribution/Simple/Program/GHC.hs | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Cabal/Distribution/Simple/Program/GHC.hs b/Cabal/Distribution/Simple/Program/GHC.hs
index 55f5fa5ac5..2de091ff6f 100644
--- a/Cabal/Distribution/Simple/Program/GHC.hs
+++ b/Cabal/Distribution/Simple/Program/GHC.hs
@@ -90,6 +90,10 @@ data GhcOptions = GhcOptions {
-- is. This only gets set when 'ghcOptInstantiatedWith' is non-empty
ghcOptThisComponentId :: Flag ComponentId,
+ -- | How the requirements of the package being compiled are to
+ -- be filled. When typechecking an indefinite package, the 'OpenModule'
+ -- is always a 'OpenModuleVar'; otherwise, it specifies the installed module
+ -- that instantiates a package.
ghcOptInstantiatedWith :: [(ModuleName, OpenModule)],
-- | No code? (But we turn on interface writing
--
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