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use std::fmt; #[derive(Debug)] pub enum Item { Node { name: String, children: Vec<Item> }, Declaration(String, String), } impl fmt::Display for Item { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self { Item::Node { name, children } => { write!(f, "{} {{", name)?; for child in children.iter() { write!(f, "{}", child)?; } write!(f, "}}") } Item::Declaration(key, value) => write!(f, "{}: {};", key, value), } } } #[derive(Debug)] pub struct Content { pub items: Vec<Item>, } impl fmt::Display for Content { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { for item in self.items.iter() { write!(f, "{}", item)?; } Ok(()) } }