wolf-graph-dot 0.1.0

Adds support for generating Graphviz DOT files from wolf-graph graphs.
Documentation 
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum ArrowDirection {
    Forward,
    Back,
    Both,
    None,
}

impl std::fmt::Display for ArrowDirection {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let value = match self {
            ArrowDirection::Forward => "forward",
            ArrowDirection::Back => "back",
            ArrowDirection::Both => "both",
            ArrowDirection::None => "none",
        };
        write!(f, "{}", value)
    }
}