Started writing the main utilities for my webpage

1 files changed, 16 insertions, 0 deletions

diff --git a/src/Hakyll/Core/Identifier/Pattorn.hs b/src/Hakyll/Core/Identifier/Pattorn.hs
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+++ b/src/Hakyll/Core/Identifier/Pattorn.hs
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+module Hakyll.Core.Identifier.Pattorn
+    ( Pattorn (..)
+    ) where
+
+import Prolog
+import Hakyll
+
+-- | Wrapper around 'Pattern' to get a semigroup with "or" as its operation
+newtype Pattorn = Pattorn { getPattern :: Pattern }
+    deriving newtype (Binary, Show, IsString)
+
+instance Semigroup Pattorn where
+    Pattorn a <> Pattorn b = Pattorn $ a .||. b
+
+instance Monoid Pattorn where
+    mempty = Pattorn $ complement mempty