Fix GobDecode (#51)

This commit fixes GobDecode, which were mutating a copy of the receiver, rather than the intended pointed struct.

2 files changed, 6 insertions, 1 deletions

diff --git a/decimal.go b/decimal.go
index 2caf597..5fcb628 100644
--- a/decimal.go
+++ b/decimal.go
@@ -697,7 +697,7 @@ func (d Decimal) GobEncode() ([]byte, error) {
 }
 
 // GobDecode implements the gob.GobDecoder interface for gob serialization.
-func (d Decimal) GobDecode(data []byte) error {
+func (d *Decimal) GobDecode(data []byte) error {
 	return d.UnmarshalBinary(data)
 }
 
diff --git a/decimal_test.go b/decimal_test.go
index bdfc27c..a0ad37c 100644
--- a/decimal_test.go
+++ b/decimal_test.go
@@ -1637,5 +1637,10 @@ func TestGobEncode(t *testing.T) {
 		if eq != true {
 			t.Errorf("Encoding then decoding mutated Decimal")
 		}
+
+		eq = d1.Equal(d3)
+		if eq != true {
+			t.Errorf("Error gobencoding/decoding %v, got %v", d1, d3)
+		}
 	}
 }