"The modern approach to statutory construction is to have regard to the purpose of a particular provision and interpret its language, so far as possible, in a way which best gives effect to that purpose": Barclay Mercantile Finance Ltd v Mawson [2004] UKHL 51 at para [28] per Lord Nicholls.

Discuss whether this is an accurate statement of the current approach to statutory interpretation in the United Kingdom. Illustrate your answer with examples from case law.