It makes it easier to have assurances about the behaviour of the program, even in error cases, https://github.com/rust-lang/rfcs/pull/560#issuecomment-69998193

It makes it easier to have assurances about the behaviour of the program, even in error cases, https://github.com/rust-lang/rfcs/pull/560#issuecomment-69998193 https://github.com/rust-lang/rfcs/pull/560#issuecomment-6999...