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//! Quantity
//!
//! URL: http://hl7.org/fhir/StructureDefinition/Quantity
//!
//! Version: 5.0.0
//!
//! Quantity Type: A measured amount (or an amount that can potentially be measured). Note that measured amounts include amounts that are not precisely quantified, including amounts involving arbitrary units and floating currencies.
//!
//! FHIR: <https://build.fhir.org/>
//!
//! UML: <https://build.fhir.org/uml.html>
// Allow unused crate::r5::types as types;
#![allow(unused_imports)]
use crate::r5::types;
use ::serde::{Deserialize, Serialize};
use fhir_derive_macros::{Builder, Validate};
/// A measured amount, or an amount that can potentially be measured. This
/// includes amounts that are not precisely quantified, such as amounts
/// involving arbitrary units or floating currencies. `Quantity` is a base
/// datatype used throughout FHIR resources for representing dosages,
/// observation results, and similar numeric measurements with units.
///
/// # Examples
///
/// ```
/// use fhir::r5::types::quantity::Quantity;
///
/// let value = Quantity::default();
/// let json = ::serde_json::to_value(&value).unwrap();
/// let back: Quantity = ::serde_json::from_value(json).unwrap();
/// assert_eq!(value, back);
/// ```
#[serde_with::skip_serializing_none]
#[derive(Debug, Default, Clone, Serialize, Deserialize, PartialEq, Eq, Validate, Builder)]
#[serde(rename_all = "camelCase")]
pub struct Quantity {
/// Unique id for inter-element referencing
pub id: Option<types::String>,
/// Additional content defined by implementations
#[serde(default, skip_serializing_if = "Vec::is_empty")]
pub extension: Vec<types::Extension>,
/// The numeric value of the quantity, including any arbitrary precision.
pub value: Option<types::Decimal>,
/// Primitive extension sibling for [`value`](Self::value) (FHIR `_value`).
#[serde(rename = "_value")]
pub value_ext: Option<types::Element>,
/// How the value should be understood, e.g. less than, greater than. // « QuantityComparator! »
pub comparator: Option<crate::r5::coded::Coded<crate::r5::codes::QuantityComparator>>,
/// Primitive extension sibling for [`comparator`](Self::comparator) (FHIR `_comparator`).
#[serde(rename = "_comparator")]
pub comparator_ext: Option<types::Element>,
/// A human-readable form of the unit, as displayed to the user.
pub unit: Option<types::String>,
/// Primitive extension sibling for [`unit`](Self::unit) (FHIR `_unit`).
#[serde(rename = "_unit")]
pub unit_ext: Option<types::Element>,
/// The identification of the system that provides the coded form of the unit. // « C »
pub system: Option<types::Uri>,
/// Primitive extension sibling for [`system`](Self::system) (FHIR `_system`).
#[serde(rename = "_system")]
pub system_ext: Option<types::Element>,
/// A computer-processable form of the unit in the system, matching the system's code. // « C »
pub code: Option<types::Code>,
/// Primitive extension sibling for [`code`](Self::code) (FHIR `_code`).
#[serde(rename = "_code")]
pub code_ext: Option<types::Element>,
}
#[cfg(test)]
mod tests {
use super::*;
type T = Quantity;
#[test]
fn test_default() {
let actual = T::default();
let expect = T {
value: None,
comparator: None,
unit: None,
system: None,
code: None,
..Default::default()
};
assert_eq!(actual, expect);
}
mod serde_json {
use super::*;
use ::serde_json::json;
#[test]
fn test_serde_json_from_value() {
let json = json!({});
let actual: T = ::serde_json::from_value(json).expect("from_value");
let expect: T = T::default();
assert_eq!(actual, expect);
}
#[test]
fn test_serde_json_to_value() {
let actual: ::serde_json::Value =
::serde_json::to_value(T::default()).expect("to_value");
let expect: ::serde_json::Value = json!({});
assert_eq!(actual, expect);
}
}
}