Simplify

sboehler · Jan 5, 2022 · 01ca778 · 01ca778
1 parent 17ed685
commit 01ca778
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/lib/common/amounts/amounts.go b/lib/common/amounts/amounts.go
@@ -50,8 +50,9 @@ func (am Amounts) Clone() Amounts {
 }
 
 // Minus mutably subtracts.
-func (am Amounts) Minus(a Amounts) {
+func (am Amounts) Minus(a Amounts) Amounts {
 	for ca, v := range a {
 		am[ca] = am[ca].Sub(v)
 	}
+	return am
 }
diff --git a/lib/journal/process/differ.go b/lib/journal/process/differ.go
@@ -39,9 +39,8 @@ func (pf Differ) ProcessStream(ctx context.Context, inCh <-chan *val.Day) (<-cha
 			if init {
 				res := &val.Day{
 					Date:   d.Date,
-					Values: d.Values.Clone(),
+					Values: d.Values.Clone().Minus(v),
 				}
-				res.Values.Minus(v)
 				if push(ctx, resCh, res) != nil {
 					return
 				}