fn write_to_file()

in focus/internals/src/lib/model/outlining.rs [195:224]

• 24 lines of code
• 6 McCabe index (conditional complexity)

    fn write_to_file(&self, path: &Path) -> Result<Vec<u8>> {
        static ENDLINE: &[u8] = b"\n";

        let mut written_productions = HashSet::<OsString>::new();
        let mut buf = Vec::<u8>::new();

        let mut digest = Sha256::new();
        for pattern in self.iter() {
            let lines: Vec<OsString> = pattern.clone().into();
            for line in lines {
                if line.as_bytes().eq(MAIN_SEPARATOR_BYTES) {
                    // Skip root patterns (lines that are just "/")
                    continue;
                }
                if !written_productions.insert(line.clone()) {
                    // Skip previously written pattern
                    continue;
                }

                buf.extend(line.as_bytes());
                buf.extend(ENDLINE);
            }
        }

        digest.update(&buf);
        std::fs::write(path, buf)
            .with_context(|| format!("Writing the sparse profile to {}", path.display()))?;
        let hash = digest.finalize().to_vec();
        Ok(hash)
    }