fn format<S>(source: S) -> Result<String>
where
    S: AsRef<str>,
{
    let mut rustfmt = Command::new("rustfmt")
        .stdin(Stdio::piped())
        .stdout(Stdio::piped())
        .spawn()?;

    {
        let stdin = rustfmt.stdin.as_mut().ok_or_else(|| {
            anyhow!("stdin was not created for `rustfmt` child process")
        })?;
        stdin.write_all(source.as_ref().as_bytes())?;
    }

    let output = rustfmt.wait_with_output()?;
    if !output.status.success() {
        return Err(anyhow!(
            "`rustfmt` exited with code {}:\n{}",
            output.status,
            String::from_utf8_lossy(&output.stderr),
        ));
    }

    let stdout = String::from_utf8(output.stdout)?;
    Ok(stdout)
}
/// Formats the raw input source string and return formatted output using
/// locally installed `rustfmt`.
Formats the raw input source string and return formatted output using
locally installed `rustfmt`.
Formats the raw input source string and return formatted output using locally installed ` rustfmt ` .
fn format<S>(source: S) -> Result<String>
where
    S: AsRef<str>,
{
    let mut rustfmt = Command::new("rustfmt")
        .stdin(Stdio::piped())
        .stdout(Stdio::piped())
        .spawn()?;
    {
        let stdin = rustfmt.stdin.as_mut().ok_or_else(|| {
            anyhow!("stdin was not created for `rustfmt` child process")
        })?;
        stdin.write_all(source.as_ref().as_bytes())?;
    }
    let output = rustfmt.wait_with_output()?;
    if !output.status.success() {
        return Err(anyhow!(
            "`rustfmt` exited with code {}:\n{}",
            output.status,
            String::from_utf8_lossy(&output.stderr),
        ));
    }
    let stdout = String::from_utf8(output.stdout)?;
    Ok(stdout)
}
fn format < S > ( source : S ) -> Result < String > where S : AsRef < str > , { let mut rustfmt = Command :: new ( " " ) . stdin ( Stdio :: piped ( ) ) . stdout ( Stdio :: piped ( ) ) . spawn ( ) ? ; { let stdin = rustfmt . stdin . as_mut ( ) . ok_or_else ( | | { anyhow ! ( " " ) } ) ? ; stdin . write_all ( source . as_ref ( ) . as_bytes ( ) ) ? ; } let output = rustfmt . wait_with_output ( ) ? ; if ! output . status . success ( ) { return Err ( anyhow ! ( " \n " output status String from_utf8_lossy ( output stderr ) ) ) ; } let stdout = String :: from_utf8 ( output . stdout ) ? ; Ok ( stdout ) }
Formats the raw input source string and return formatted output using
locally installed `rustfmt`.
Formats the raw input source string and return formatted output using locally installed ` rustfmt ` .
source
S