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use crate::graph::*;
use std::io::{self, Write};
use serde::{Deserialize, Serialize};
#[derive(Deserialize, Serialize)]
pub struct MultiGraph {
name: String,
graphs: Vec<Graph>,
}
impl MultiGraph {
pub fn new(name: String, graphs: Vec<Graph>) -> MultiGraph {
MultiGraph { name, graphs }
}
pub fn to_dot<W: Write>(&self, w: &mut W, settings: &GraphvizSettings) -> io::Result<()> {
let subgraphs = self.graphs.len() > 1;
if subgraphs {
writeln!(w, "digraph {} {{", self.name)?;
}
for graph in &self.graphs {
graph.to_dot(w, settings, subgraphs)?;
}
if subgraphs {
writeln!(w, "}}")?;
}
Ok(())
}
}