Use slices instead of Vecs as arguments to merge_sort/merge.
Use slices instead of Vecs as arguments to merge_sort/merge.

Also, use the built-in Show capability of Vec for the binary.

Hoverbear/rust-rosetta,ghotiphud/rust-rosetta,ZoomRmc/rust-rosetta,sakeven/rust-rosetta,pfalabella/rust-rosetta,magum/rust-rosetta,magum/rust-rosetta,crespyl/rust-rosetta,JIghtuse/rust-rosetta,crr0004/rust-rosetta