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website hosting provider ..@songs.length return @songs[i] if key == @songs[i].name end end return nil end end This works, and it looks comfortingly familiar: a for loop iterating over an array.
website hosting provider What could be more natural? It turns out there is something more natural. In a way, our for loop is somewhat too intimate with the array; it asks for a length, then retrieves values in turn until it finds a match. Why not just ask the array to apply a test to each of its members? That's just what the find method in Array does. class SongList def [](key) if key.kind_of?(Integer) result = @songs[key] else result = @songs.
website hosting provider find { |aSong| key == aSong.name } end return result end end We could use if as a statement modifier to shorten the code even more. class SongList def [](key) return @songs[key] if key.kind_of?(Integer) return @songs.find { |aSong| aSong.
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