pub fn rustfmt(source: &str) -> std::io::Result<String> {
    use std::{
        io::Write,
        process::{Command, Stdio},
    };
    let proc = Command::new("rustfmt")
        .args(["/dev/fd/0", "--emit", "stdout", "--edition", "2018"])
        .stdin(Stdio::piped())
        .stdout(Stdio::piped())
        .spawn()?;
    proc.stdin
        .as_ref()
        .expect("It always exists")
        .write_all(source.as_bytes())?;
    let output = proc.wait_with_output().unwrap();
    let result = String::from_utf8_lossy(output.stdout.as_slice()).to_string();
    let pos = result.find("\n\n").unwrap() + 2;
    Ok(result[pos..].to_string())
}
/// Format given Rust code snippet with rustfmt
Format given Rust code snippet with rustfmt
Format given Rust code snippet with rustfmt
pub fn rustfmt(source: &str) -> std::io::Result<String> {
    use std::{
        io::Write,
        process::{Command, Stdio},
    };
    let proc = Command::new("rustfmt")
        .args(["/dev/fd/0", "--emit", "stdout", "--edition", "2018"])
        .stdin(Stdio::piped())
        .stdout(Stdio::piped())
        .spawn()?;
    proc.stdin
        .as_ref()
        .expect("It always exists")
        .write_all(source.as_bytes())?;
    let output = proc.wait_with_output().unwrap();
    let result = String::from_utf8_lossy(output.stdout.as_slice()).to_string();
    let pos = result.find("\n\n").unwrap() + 2;
    Ok(result[pos..].to_string())
}
pub fn rustfmt ( source : & str ) -> std :: io :: Result < String > { use std :: { io :: Write , process :: { Command , Stdio } , } ; let proc = Command :: new ( " " ) . args ( [ " " , " " , " " , " " , " " ] ) . stdin ( Stdio :: piped ( ) ) . stdout ( Stdio :: piped ( ) ) . spawn ( ) ? ; proc . stdin . as_ref ( ) . expect ( " " ) . write_all ( source . as_bytes ( ) ) ? ; let output = proc . wait_with_output ( ) . unwrap ( ) ; let result = String :: from_utf8_lossy ( output . stdout . as_slice ( ) ) . to_string ( ) ; let pos = result . find ( " \n \n " ) . unwrap ( ) + 2 ; Ok ( result [ pos .. ] . to_string ( ) ) }
Format given Rust code snippet with rustfmt
Format given Rust code snippet with rustfmt
source
&str
source
&str