Function find_line_start

src/code_actions/extract_function.rs:863–865

Find the start of the line containing `offset`.

(content: &str, offset: usize)

/// Find the start of the line containing `offset`.
fn find_line_start(content: &str, offset: usize) -> usize {
    content[..offset].rfind('\n').map_or(0, |p| p + 1)
}

/// Extract the indentation (leading whitespace) of the line at `offset`.
fn indent_at(content: &str, offset: usize) -> String {