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AOrobator/RealmSongRepository.kt

Created February 13, 2018 04:42
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RealmSongRepository.kt
class RealmSongRepository: SongRepository {
override fun getSongById(songId: SongId) : Song? = when (songId) {
is ValidSongId -> getSongFromRealm(songId.id) // smart cast to ValidSongId
InvalidSongId -> null
// No else statement required because the compiler knows we’ve covered all cases
}
}
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