Function count_lines

crates/devsql/src/providers/source_files.rs:60–66

Count lines in a file using a buffered reader without holding the entire file contents in memory.

(path: &Path)

/// Count lines in a file using a buffered reader without holding the entire
/// file contents in memory.
fn count_lines(path: &Path) -> usize {
    let Ok(file) = std::fs::File::open(path) else {
        return 0;
    };
    let reader = BufReader::new(file);
    reader.lines().count()
}