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authorstuebinm2022-08-14 15:43:37 +0200
committerstuebinm2022-08-14 15:43:37 +0200
commitf13e72076dbdcf0cd53d8558fccbedb98b8ea492 (patch)
tree5f28fb4b575f85739933e0377c8e10e1fe63dfa2 /lib
parentb4aaaf96f67fccae2dd284324215001384516a9b (diff)
better Show instance for Time
Diffstat (limited to 'lib')
-rw-r--r--lib/GTFS.hs10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/GTFS.hs b/lib/GTFS.hs
index 17dec72..9259649 100644
--- a/lib/GTFS.hs
+++ b/lib/GTFS.hs
@@ -92,9 +92,13 @@ instance CSV.FromField Time where
instance Show Time where
show (Time seconds) = ""
- +|seconds `div` 3600|+":"
- +|(seconds `mod` 3600) `div` 60|+":"
- +|seconds `mod` 60|+""
+ +|pad (seconds `div` 3600)|+":"
+ +|pad ((seconds `mod` 3600) `div` 60)|+
+ if seconds `mod` 60 /= 0 then ":"+|pad (seconds `mod` 60)|+""
+ else ""
+ where pad num =
+ if length str < 2 then "0"<>str else str
+ where str = show num
instance CSV.FromField Day where
parseField f = do