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-rw-r--r--hsm-core/Hsm/Core/Show.hs9
-rw-r--r--hsm-core/hsm-core.cabal1
2 files changed, 10 insertions, 0 deletions
diff --git a/hsm-core/Hsm/Core/Show.hs b/hsm-core/Hsm/Core/Show.hs
new file mode 100644
index 0000000..601ea03
--- /dev/null
+++ b/hsm-core/Hsm/Core/Show.hs
@@ -0,0 +1,9 @@
+-- Defines some convenience printing functions
+module Hsm.Core.Show
+ ( showHex
+ ) where
+
+import Numeric qualified as N (showHex)
+
+showHex :: Integral a => a -> String
+showHex v = "0x" <> N.showHex v ""
diff --git a/hsm-core/hsm-core.cabal b/hsm-core/hsm-core.cabal
index 6a0efff..f9f5657 100644
--- a/hsm-core/hsm-core.cabal
+++ b/hsm-core/hsm-core.cabal
@@ -18,5 +18,6 @@ library
Hsm.Core.App
Hsm.Core.Bracket
Hsm.Core.Serial
+ Hsm.Core.Show
ghc-options: -O2 -Wall -Werror -Wno-star-is-type -Wunused-packages