Function col_width

atomic-cli/src/commands/memory/list.rs:351–357

The width of a column: the widest row cell, but at least the header width.

(cell_lens: impl Iterator<Item = usize>, header: &str)

/// The width of a column: the widest row cell, but at least the header width.
fn col_width(cell_lens: impl Iterator<Item = usize>, header: &str) -> usize {
    let header_w = header.chars().count();
    cell_lens
        .chain(std::iter::once(header_w))
        .max()
        .unwrap_or(header_w)
}

/// Is this `memory/…` entry the vault's index scaffold rather than a real
/// canonical memory? The default `memory/MEMORY.md` installed by `init_vault`