path: root/src/doc/book/listings/ch18-patterns-and-matching/listing-18-03/output.txt

$ cargo run
   Compiling patterns v0.1.0 (file:///projects/patterns)
    Finished dev [unoptimized + debuginfo] target(s) in 0.52s
     Running `target/debug/patterns`
a is at index 0
b is at index 1
c is at index 2