fn new_in<P: AsRef<Path>>(temp_dir: P, prefix: &str) -> Result<Dir> {
        let mut rng = thread_rng();
        for _ in 0..TEMP_DIR_RAND_RETRIES {
            let suffix: String = (&mut rng)
                .sample_iter(&Alphanumeric)
                .map(char::from)
                .take(TEMP_DIR_NAME_RAND_CHARS)
                .collect();
            let name = if prefix.is_empty() {
                suffix
            } else {
                format!("{}-{}", prefix, suffix)
            };
            let path = temp_dir.as_ref().join(&name);
            match fs::create_dir(&path) {
                Ok(_) => return Ok(Dir { path: path }),
                Err(ref e) if e.kind() == io::ErrorKind::AlreadyExists => {}
                Err(e) => return Err(e.into()),
            }
        }
        return Err(Error::Io(::std::io::Error::new(
            ::std::io::ErrorKind::AlreadyExists,
            "Failed to find unique random temporary directory name",
        )));
    }
/// Create a new temporary directory, as a subdirectory of the given other
/// temporary directory, with the given prefix in its name. The prefix
/// should generally be something application-specific, so if the temporary
/// directory is somehow left over its origin can be identified.
Create a new temporary directory, as a subdirectory of the given other
temporary directory, with the given prefix in its name. The prefix
should generally be something application-specific, so if the temporary
directory is somehow left over its origin can be identified.
Create a new temporary directory as a subdirectory of the given other temporary directory with the given prefix in its name . The prefix should generally be something application - specific so if the temporary directory is somehow left over its origin can be identified .
fn new_in<P: AsRef<Path>>(temp_dir: P, prefix: &str) -> Result<Dir> {
        let mut rng = thread_rng();
        for _ in 0..TEMP_DIR_RAND_RETRIES {
            let suffix: String = (&mut rng)
                .sample_iter(&Alphanumeric)
                .map(char::from)
                .take(TEMP_DIR_NAME_RAND_CHARS)
                .collect();
            let name = if prefix.is_empty() {
                suffix
            } else {
                format!("{}-{}", prefix, suffix)
            };
            let path = temp_dir.as_ref().join(&name);
            match fs::create_dir(&path) {
                Ok(_) => return Ok(Dir { path: path }),
                Err(ref e) if e.kind() == io::ErrorKind::AlreadyExists => {}
                Err(e) => return Err(e.into()),
            }
        }
        return Err(Error::Io(::std::io::Error::new(
            ::std::io::ErrorKind::AlreadyExists,
            "Failed to find unique random temporary directory name",
        )));
    }
fn new_in < P : AsRef < Path > > ( temp_dir : P , prefix : & str ) -> Result < Dir > { let mut rng = thread_rng ( ) ; for _ in 0 .. TEMP_DIR_RAND_RETRIES { let suffix : String = ( & mut rng ) . sample_iter ( & Alphanumeric ) . map ( char :: from ) . take ( TEMP_DIR_NAME_RAND_CHARS ) . collect ( ) ; let name = if prefix . is_empty ( ) { suffix } else { format ! ( " " prefix suffix ) } ; let path = temp_dir . as_ref ( ) . join ( & name ) ; match fs :: create_dir ( & path ) { Ok ( _ ) => return Ok ( Dir { path : path } ) , Err ( ref e ) if e . kind ( ) == io :: ErrorKind :: AlreadyExists => { } Err ( e ) => return Err ( e . into ( ) ) , } } return Err ( Error :: Io ( :: std :: io :: Error :: new ( :: std :: io :: ErrorKind :: AlreadyExists , " " , ) ) ) ; }
Create a new temporary directory, as a subdirectory of the given other
temporary directory, with the given prefix in its name.
Create a new temporary directory as a subdirectory of the given other temporary directory with the given prefix in its name .
temp_dir
P
prefix
&str
temp_dir
P
prefix
&str