src/doc/book/listings/ch12-an-io-project/output-only-01-with-args/output.txt

   1 $ cargo run -- needle haystack
   2    Compiling minigrep v0.1.0 (file:///projects/minigrep)
   3     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
   4      Running `target/debug/minigrep needle haystack`
   5 [src/main.rs:5] args = [
   6     "target/debug/minigrep",
   7     "needle",
   8     "haystack",
   9 ]