From 9f47aa6a2bcd772388a5d5150ca7254e4eb95bc2 Mon Sep 17 00:00:00 2001
From: Mikolaj Konarski <mikolaj.konarski@funktory.com>
Date: Tue, 2 Dec 2025 13:16:33 +0100
Subject: Generalize mgeneratePrim to potentially avoid @fmap fromIntegral@

---
 src/Data/Array/Nested/Ranked.hs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/Data/Array/Nested/Ranked.hs')

diff --git a/src/Data/Array/Nested/Ranked.hs b/src/Data/Array/Nested/Ranked.hs
index 9504247..37925fb 100644
--- a/src/Data/Array/Nested/Ranked.hs
+++ b/src/Data/Array/Nested/Ranked.hs
@@ -71,7 +71,9 @@ rgenerate sh f
 
 -- TODO: this would be shorter and faster written with rfromVector,
 -- but unfortunately we don't have ixrFromLinear
-rgeneratePrim :: forall n a. PrimElt a => IShR n -> (IIxR n -> a) -> Ranked n a
+{-# INLINE rgeneratePrim #-}
+rgeneratePrim :: forall n a i. (PrimElt a, Num i)
+              => IShR n -> (IxR n i -> a) -> Ranked n a
 rgeneratePrim sh f
   | sn@SNat <- shrRank sh
   , Dict <- lemKnownReplicate sn
-- 
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