From 884d937792402fcd34b474bc60fa3664b27173b9 Mon Sep 17 00:00:00 2001 From: Tom Sydney Kerckhove Date: Thu, 20 May 2021 16:00:55 +0200 Subject: [PATCH] use ++ instead of <> to fix the build --- yesod-core/src/Yesod/Core/Class/Breadcrumbs.hs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/yesod-core/src/Yesod/Core/Class/Breadcrumbs.hs b/yesod-core/src/Yesod/Core/Class/Breadcrumbs.hs index 8bce0233..c1e7b5af 100644 --- a/yesod-core/src/Yesod/Core/Class/Breadcrumbs.hs +++ b/yesod-core/src/Yesod/Core/Class/Breadcrumbs.hs @@ -31,6 +31,6 @@ breadcrumbs = do (title, next) <- breadcrumb this if this `elem` map fst back then - error $ "yesod-core: infinite recursion in breadcrumbs at " <> show title + error $ "yesod-core: infinite recursion in breadcrumbs at " ++ show title else go ((this, title) : back) next