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-rw-r--r--lib/Distribution/Helper.hs1
-rw-r--r--src/CabalHelper/Compiletime/Types.hs5
2 files changed, 6 insertions, 0 deletions
diff --git a/lib/Distribution/Helper.hs b/lib/Distribution/Helper.hs
index cabd97d..964d722 100644
--- a/lib/Distribution/Helper.hs
+++ b/lib/Distribution/Helper.hs
@@ -66,6 +66,7 @@ module Distribution.Helper (
, DistDir(..)
, ProjType(..)
, SProjType(..)
+ , demoteSProjType
, ProjLoc(..)
, Programs(..)
diff --git a/src/CabalHelper/Compiletime/Types.hs b/src/CabalHelper/Compiletime/Types.hs
index ac4577f..0d1ca54 100644
--- a/src/CabalHelper/Compiletime/Types.hs
+++ b/src/CabalHelper/Compiletime/Types.hs
@@ -53,6 +53,11 @@ data SProjType pt where
SV2 :: SProjType 'V2
SStack :: SProjType 'Stack
+demoteSProjType :: SProjType pt -> ProjType
+demoteSProjType SV1 = V1
+demoteSProjType SV2 = V2
+demoteSProjType SStack = Stack
+
-- | Location of project sources. The project type of a given directory can be
-- determined by trying to access a set of marker files. See below.
data ProjLoc (pt :: ProjType) where