rust - https://github.com/rust-lang/rust

Age	Commit message (Collapse)	Author	Lines
2014-06-20	Check pattern refutability the same way exhaustiveness is checked	Jakub Wieczorek	-32/+0

2014-05-27	rustc: provide more precise information about refutable patterns.	Huon Wilson	-0/+32
	The compiler now points exactly which part(s) of a pattern are refutable, rather than just highlighting the whole pattern.