Use unreachable!() instead of panic!().
Use unreachable!() instead of panic!().

aidancully/rust,graydon/rust,aidancully/rust,SingingTree/rustfmt,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,SingingTree/rustfmt,graydon/rust,rust-lang/rustfmt,aidancully/rust,graydon/rust,rust-lang/rustfmt