merge method
Implementation
Tag merge(Tag other) => Tag(
version: version ?? other.version,
duration: duration ?? other.duration,
title: title ?? other.title,
artist: artist ?? other.artist,
genre: genre ?? other.genre,
trackNumber: trackNumber ?? other.trackNumber,
trackTotal: trackTotal ?? other.trackTotal,
discNumber: discNumber ?? other.discNumber,
discTotal: discTotal ?? other.discTotal,
lyrics: lyrics ?? other.lyrics,
comment: comment ?? other.comment,
album: album ?? other.album,
albumArtist: albumArtist ?? other.albumArtist,
year: year ?? other.year,
);