env_logger/fmt/writer/
target.rs

1/// Log target, either `stdout`, `stderr` or a custom pipe.
2#[non_exhaustive]
3#[derive(Default)]
4pub enum Target {
5    /// Logs will be sent to standard output.
6    Stdout,
7    /// Logs will be sent to standard error.
8    #[default]
9    Stderr,
10    /// Logs will be sent to a custom pipe.
11    Pipe(Box<dyn std::io::Write + Send + 'static>),
12}
13
14impl std::fmt::Debug for Target {
15    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
16        write!(
17            f,
18            "{}",
19            match self {
20                Self::Stdout => "stdout",
21                Self::Stderr => "stderr",
22                Self::Pipe(_) => "pipe",
23            }
24        )
25    }
26}