wolf-graph-mermaid 0.1.0

Adds support for generating Mermaid diagrams from wolf-graph graphs.
Documentation 
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum EdgeStyle {
    Normal,
    Dotted,
    Thick,
}

impl EdgeStyle {
    pub fn start(&self) -> &'static str {
        match self {
            EdgeStyle::Normal => "-",
            EdgeStyle::Dotted => "-",
            EdgeStyle::Thick => "=",
        }
    }

    pub fn body(&self, length: usize) -> String {
        let c = match self {
            EdgeStyle::Normal => "-",
            EdgeStyle::Dotted => ".",
            EdgeStyle::Thick => "=",
        };
        c.repeat(length)
    }

    pub fn end(&self) -> &'static str {
        match self {
            EdgeStyle::Normal => "-",
            EdgeStyle::Dotted => "-",
            EdgeStyle::Thick => "=",
        }
    }
}