use crate::writers::writer::Writer;
use std::fmt::Display;
use std::io::{Result, Write, stdout};
#[derive(Debug, Default)]
pub struct StdoutWriter;
impl Write for StdoutWriter {
fn write(&mut self, buf: &[u8]) -> Result<usize> {
stdout().write(buf)
}
fn flush(&mut self) -> Result<()> {
stdout().flush()
}
}
impl Display for StdoutWriter {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "stdout")
}
}
impl Writer for StdoutWriter {}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_writer() -> anyhow::Result<()> {
let mut writer = StdoutWriter;
writer.write_all(b"Hello, world!")?;
writer.flush()?;
assert_eq!(writer.to_string(), "stdout");
Ok(())
}
}