Function read_to_string

cranelift/src/utils.rs:10–25

Read an entire file into a string.

(path: P)

/// Read an entire file into a string.
pub fn read_to_string<P: AsRef<Path>>(path: P) -> anyhow::Result<String> {
    let mut buffer = String::new();
    let path = path.as_ref();
    if path == Path::new("-") {
        let stdin = io::stdin();
        let mut stdin = stdin.lock();
        stdin
            .read_to_string(&mut buffer)
            .context("failed to read stdin to string")?;
    } else {
        let mut file = File::open(path)?;
        file.read_to_string(&mut buffer)
            .with_context(|| format!("failed to read {} to string", path.display()))?;
    }
    Ok(buffer)
}

/// Iterate over all of the files passed as arguments, recursively iterating through directories.
pub fn iterate_files<'a>(files: &'a [PathBuf]) -> impl Iterator<Item = PathBuf> + 'a {