Fix an embarrassing boolean error.

Paddy Carver · Paddy Carver · commit ac5304fa30e4 · 2020-10-06T08:55:22.000-07:00
When encoding for msgpack, only encode null values when passed a null
value, not when _not_ passed a null value. Oops.
diff --git a/tfprotov5/tftypes/value_msgpack.go b/tfprotov5/tftypes/value_msgpack.go
@@ -20,7 +20,7 @@ func marshalMsgPack(val Value, typ Type, p Path, enc *msgpack.Encoder) error {
 		}
 		return nil
 	}
-	if !val.IsNull() {
+	if val.IsNull() {
 		err := enc.EncodeNil()
 		if err != nil {
 			return p.NewErrorf("error encoding null value: %w", err)

Original file line number	Diff line number	Diff line change
`@@ -20,7 +20,7 @@ func marshalMsgPack(val Value, typ Type, p Path, enc *msgpack.Encoder) error {`
`20`	`20`	`}`
`21`	`21`	`return nil`
`22`	`22`	`}`
`23`		`- if !val.IsNull() {`
	`23`	`+ if val.IsNull() {`
`24`	`24`	`err := enc.EncodeNil()`
`25`	`25`	`if err != nil {`
`26`	`26`	`return p.NewErrorf("error encoding null value: %w", err)`