hst: remove enablement json adapter

The go116 behaviour of built-in new function makes this cleaner.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/store/data.go

@@ -24,7 +24,7 @@ func entryEncode(w io.Writer, s *hst.State) error {
 }
 
 // entryDecodeHeader calls entryReadHeader, returning [hst.AppError] for a non-nil error.
-func entryDecodeHeader(r io.Reader) (hst.Enablement, error) {
+func entryDecodeHeader(r io.Reader) (hst.Enablements, error) {
 	if et, err := entryReadHeader(r); err != nil {
 		return 0, &hst.AppError{Step: "decode state header", Err: err}
 	} else {
@@ -32,11 +32,11 @@ func entryDecodeHeader(r io.Reader) (hst.Enablement, error) {
 	}
 }
 
-// entryDecode decodes [hst.State] from [io.Reader] and stores the result in the value pointed to by p.
-// entryDecode validates the embedded [hst.Config] value.
+// entryDecode decodes [hst.State] from [io.Reader] and stores the result in the
+// value pointed to by p. entryDecode validates the embedded [hst.Config] value.
 //
 // A non-nil error returned by entryDecode is of type [hst.AppError].
-func entryDecode(r io.Reader, p *hst.State) (hst.Enablement, error) {
+func entryDecode(r io.Reader, p *hst.State) (hst.Enablements, error) {
 	if et, err := entryDecodeHeader(r); err != nil {
 		return et, err
 	} else if err = gob.NewDecoder(r).Decode(&p); err != nil {
@@ -45,7 +45,10 @@ func entryDecode(r io.Reader, p *hst.State) (hst.Enablement, error) {
 		return et, err
 	} else if p.Enablements.Unwrap() != et {
 		return et, &hst.AppError{Step: "validate state enablement", Err: os.ErrInvalid,
-			Msg: fmt.Sprintf("state entry %s has unexpected enablement byte %#x, %#x", p.ID.String(), byte(p.Enablements.Unwrap()), byte(et))}
+			Msg: fmt.Sprintf(
+				"state entry %s has unexpected enablement byte %#x, %#x",
+				p.ID.String(), byte(p.Enablements.Unwrap()), byte(et),
+			)}
 	} else {
 		return et, nil
 	}