Method fmt

src/repr/src/explain.rs:69–75

(&self, f: &mut fmt::Formatter<'_>)

impl fmt::Display for ExplainFormat {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
            ExplainFormat::Text => f.write_str("TEXT"),
            ExplainFormat::Json => f.write_str("JSON"),
            ExplainFormat::Dot => f.write_str("DOT"),
        }
    }
}

/// A zero-variant enum to be used as the explanation type in the