bb3c1b5 dag: Add "dot" format output — heartwood

Radicle Heartwood Protocol & Stack

dag: Add "dot" format output

cloudhead committed 2 years ago

commit bb3c1b56845cdde95bfbd61e18e8f514efed1f3d
parent 8657cd8fc8b13bbf2b2a3b73ab653504cf00f800

1 file changed +18 -0

modified radicle-dag/src/lib.rs

@@ -5,6 +5,7 @@ use std::{

     cmp::Ordering,
     collections::{BTreeMap, BTreeSet, VecDeque},
     fmt,
     fmt::Write,
     ops::{ControlFlow, Deref, Index},
 };

@@ -313,6 +314,23 @@ impl<K: Ord + Copy, V> Dag<K, V> {

     }
 }
 impl<K: Ord + Copy + fmt::Display, V> Dag<K, V> {
     /// Return the graph in "dot" format.
     pub fn to_dot(&self) -> String {
         let mut output = String::new();
         writeln!(output, "digraph G {{").ok();
         for (k, v) in self.graph.iter() {
             for d in &v.dependencies {
                 writeln!(output, "\t\"{k}\" -> \"{d}\";").ok();
             }
         }
         writeln!(output, "}}").ok();
         output
     }
 }
 impl<K: Ord + Copy + fmt::Debug, V> Index<&K> for Dag<K, V> {
     type Output = Node<K, V>;