From c198bda419a4266b1ba5e052d19f7df2d13f532d Mon Sep 17 00:00:00 2001
From: Yorick van Pelt <yorick@yorickvanpelt.nl>
Date: Fri, 5 May 2023 14:04:36 +0200
Subject: [PATCH] float's can't start with just exponents

---
 src/Nixfmt/Parser/Float.hs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Nixfmt/Parser/Float.hs b/src/Nixfmt/Parser/Float.hs
index df50efe1..c5360b55 100644
--- a/src/Nixfmt/Parser/Float.hs
+++ b/src/Nixfmt/Parser/Float.hs
@@ -27,6 +27,7 @@ data SP = SP !Integer {-# UNPACK #-} !Int
 floatParse :: (MonadParsec e s m, Token s ~ Char, RealFloat a) => m a
 floatParse = do
   notFollowedBy $ (char '0') >> digitChar
+  notFollowedBy $ (char' 'e')
   c' <- (decimal <?> "decimal") <|> return 0
   toRealFloat
     <$> (( do