crate-activity 0.7.0

This crate provides a way to monitor the usage for a set of crates.io crates
Documentation 
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crate::ix!();

pub fn display_dendrogram(dendrogram: &Dendrogram) {

    println!("----------------[hierarchical-clustering-dendrogram]----------------");

    fn print_node(node: &Dendrogram, indent: usize) {
        let prefix = " ".repeat(indent);
        match node {
            Dendrogram::Leaf { crate_name } => {
                println!("{}- {}", prefix, crate_name);
            }
            Dendrogram::Internal { left, right, distance } => {
                println!("{}(distance: {:.2})", prefix, distance);
                print_node(left, indent + 2);
                print_node(right, indent + 2);
            }
        }
    }
    print_node(dendrogram, 0);
}