From e2bb24e90281f7f11f973080ddeafa94284c3ec4 Mon Sep 17 00:00:00 2001
From: Simon Michael <simon@joyful.com>
Date: Mon, 25 Aug 2025 19:24:38 +0100
Subject: [PATCH] dev: make LatestDatesForFile showable

---
 hledger-lib/Hledger/Read.hs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hledger-lib/Hledger/Read.hs b/hledger-lib/Hledger/Read.hs
index c8b52a365..a38bd3adf 100644
--- a/hledger-lib/Hledger/Read.hs
+++ b/hledger-lib/Hledger/Read.hs
@@ -408,6 +408,7 @@ type LatestDates = [Day]
 
 -- The path of an input file, and its current "LatestDates".
 data LatestDatesForFile = LatestDatesForFile FilePath LatestDates
+  deriving Show
 
 -- | Get all instances of the latest date in an unsorted list of dates.
 -- Ie, if the latest date appears once, return it in a one-element list,