vendor/same-file/examples/is_stderr.rs

   1 use std::io;
   2 use std::process;
   3
   4 use same_file::Handle;
   5
   6 fn main() {
   7     if let Err(err) = run() {
   8         println!("{}", err);
   9         process::exit(1);
  10     }
  11 }
  12
  13 fn run() -> io::Result<()> {
  14     // Run with `cargo run --example is_stderr 2> examples/stderr` to see
  15     // interesting output.
  16     let candidates = &[
  17         "examples/is_same_file.rs",
  18         "examples/is_stderr.rs",
  19         "examples/stderr",
  20     ];
  21     let stderr_handle = Handle::stderr()?;
  22     for candidate in candidates {
  23         let handle = Handle::from_path(candidate)?;
  24         if stderr_handle == handle {
  25             println!("{:?} is stderr!", candidate);
  26         } else {
  27             println!("{:?} is NOT stderr!", candidate);
  28         }
  29     }
  30     Ok(())
  31 }