trim even more fat from amounts

hledger-lib/Hledger/Data/Amount.hs

@@ -73,8 +73,6 @@ module Hledger.Data.Amount (
   -- ** rendering
   showMixedAmount,
   showMixedAmountDebug,
-  showMixedAmountOrZero,
-  showMixedAmountOrZeroWithoutPrice,
   showMixedAmountWithoutPrice,
   showMixedAmountWithPrecision,
   -- * misc.
@@ -376,20 +374,6 @@ showMixedAmountWithoutPrice m = concat $ intersperse "\n" $ map showfixedwidth a
       width = maximum $ map (length . show) as
       showfixedwidth = printf (printf "%%%ds" width) . showAmountWithoutPrice
 
--- | Get the string representation of a mixed amount, and if it
--- appears to be all zero just show a bare 0, ledger-style.
-showMixedAmountOrZero :: MixedAmount -> String
-showMixedAmountOrZero a | a == missingamt = ""
-                        | isZeroMixedAmount a = "0"
-                        | otherwise = showMixedAmount a
-
--- | Get the string representation of a mixed amount, or a bare 0,
--- without any \@ prices.
-showMixedAmountOrZeroWithoutPrice :: MixedAmount -> String
-showMixedAmountOrZeroWithoutPrice a
-    | isZeroMixedAmount a = "0"
-    | otherwise = showMixedAmountWithoutPrice a
-
 -- | Replace a mixed amount's commodity with the canonicalised version from
 -- the provided commodity map.
 canonicaliseMixedAmountCommodity :: Maybe (Map.Map String Commodity) -> MixedAmount -> MixedAmount
@@ -463,11 +447,6 @@ tests_Hledger_Data_Amount = TestList [
     showMixedAmount (Mixed []) `is` "0"
     showMixedAmount missingamt `is` ""
 
-  ,"showMixedAmountOrZero" ~: do
-    showMixedAmountOrZero (Mixed [Amount dollar 0 Nothing]) `is` "0"
-    showMixedAmountOrZero (Mixed []) `is` "0"
-    showMixedAmountOrZero missingamt `is` ""
-
   ,"showMixedAmountWithoutPrice" ~: do
     let a = (dollars 1){price=Just $ UnitPrice $ Mixed [euros 2]}
     showMixedAmountWithoutPrice (Mixed [a]) `is` "$1.00"

hledger-lib/Hledger/Data/Posting.hs

@@ -39,7 +39,7 @@ showPosting (Posting{paccount=a,pamount=amt,pcomment=com,ptype=t}) =
                           BalancedVirtualPosting -> (\s -> "["++s++"]", acctnamewidth-2)
                           VirtualPosting -> (\s -> "("++s++")", acctnamewidth-2)
                           _ -> (id,acctnamewidth)
-      showamount = padleft 12 . showMixedAmountOrZero
+      showamount = padleft 12 . showMixedAmount
       comment = if null com then "" else "  ; " ++ com
 -- XXX refactor
 showPostingForRegister :: Posting -> String
@@ -53,7 +53,7 @@ showPostingForRegister (Posting{paccount=a,pamount=amt,ptype=t}) =
                           BalancedVirtualPosting -> (\s -> "["++s++"]", acctnamewidth-2)
                           VirtualPosting -> (\s -> "("++s++")", acctnamewidth-2)
                           _ -> (id,acctnamewidth)
-      showamount = padleft 12 . showMixedAmountOrZeroWithoutPrice
+      showamount = padleft 12 . showMixedAmountWithoutPrice
 
 isReal :: Posting -> Bool
 isReal p = ptype p == RegularPosting

hledger-lib/Hledger/Data/Transaction.hs

@@ -95,7 +95,7 @@ showTransaction' elide effective t =
                 where w = maximum $ map (length . paccount) ps
                       showstatus p = if pstatus p then "* " else ""
             showamt =
-                padleft 12 . showMixedAmountOrZero
+                padleft 12 . showMixedAmount
             showcomment s = if null s then "" else "  ; "++s
 
 -- | Show an account name, clipped to the given width if any, and

hledger/Hledger/Cli/Register.hs

@@ -54,7 +54,7 @@ postingsReportItemAsText _ (dd, p, b) = concatTopPadded [datedesc, pstr, " ", ba
             datedescwidth = 32
             datewidth = 10
       pstr = showPostingForRegister p
-      bal = padleft 12 (showMixedAmountOrZeroWithoutPrice b)
+      bal = padleft 12 (showMixedAmountWithoutPrice b)
 
 -- XXX
 showPostingWithBalanceForVty showtxninfo p b = postingsReportItemAsText defreportopts $ mkpostingsReportItem showtxninfo p b