article on var

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Tag[] parsedTags = tagsArgument.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(y => new Tag(y.Trim())).ToArray();

vs

var parsedTags = tagsArgument.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(y => new Tag(y.Trim())).ToArray();