gecko-dev/third_party/rust/same-file/examples/is_stderr.rs

34 строки
754 B
Rust

extern crate same_file;
use std::io;
use std::process;
use same_file::Handle;
fn main() {
if let Err(err) = run() {
println!("{}", err);
process::exit(1);
}
}
fn run() -> io::Result<()> {
// Run with `cargo run is_stderr 2> examples/stderr` to see
// interesting output.
let candidates = &[
"examples/is_same_file.rs",
"examples/is_stderr.rs",
"examples/stderr",
];
let stderr_handle = Handle::stderr()?;
for candidate in candidates {
let handle = Handle::from_path(candidate)?;
if stderr_handle == handle {
println!("{:?} is stderr!", candidate);
} else {
println!("{:?} is NOT stderr!", candidate);
}
}
Ok(())
}