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dust/src/value/structure.rs
2024-01-06 03:47:54 -05:00

38 lines
949 B
Rust

use std::{
collections::BTreeMap,
fmt::{self, Display, Formatter},
sync::Arc,
};
use serde::{Deserialize, Serialize};
use crate::{Type, Value};
#[derive(Clone, Debug, Eq, PartialEq, PartialOrd, Ord, Serialize, Deserialize)]
pub struct Structure(Arc<BTreeMap<String, (Option<Value>, Type)>>);
impl Structure {
pub fn new(map: BTreeMap<String, (Option<Value>, Type)>) -> Self {
Structure(Arc::new(map))
}
pub fn inner(&self) -> &BTreeMap<String, (Option<Value>, Type)> {
&self.0
}
}
impl Display for Structure {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
writeln!(f, "{{")?;
for (key, (value_option, r#type)) in self.0.as_ref() {
if let Some(value) = value_option {
writeln!(f, " {key} <{}> = {value}", r#type)?;
} else {
writeln!(f, " {key} <{}>", r#type)?;
}
}
write!(f, "}}")
}
}