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use crate::{Result, Scalar, Value}; use std::ops::{Deref, DerefMut}; #[derive(Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Debug)] pub struct ID(String); impl Deref for ID { type Target = String; fn deref(&self) -> &Self::Target { &self.0 } } impl DerefMut for ID { fn deref_mut(&mut self) -> &mut Self::Target { &mut self.0 } } impl Scalar for ID { fn type_name() -> &'static str { "ID" } fn parse(value: Value) -> Option<Self> { match value { Value::Int(n) => Some(ID(n.as_i64().unwrap().to_string())), Value::String(s) => Some(ID(s)), _ => None, } } fn parse_from_json(value: serde_json::Value) -> Option<Self> { match value { serde_json::Value::Number(n) if n.is_i64() => Some(ID(n.as_i64().unwrap().to_string())), serde_json::Value::String(s) => Some(ID(s)), _ => None, } } fn to_json(&self) -> Result<serde_json::Value> { Ok(self.0.clone().into()) } }