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//! Extension
//!
//! Represents optional additional information attached to a FHIR element via a
//! URL-identified extension carrying a single typed value.
//!
//! URL: http://hl7.org/fhir/StructureDefinition/Extension
//!
//! Version: 5.0.0
//!
//! Extension Type: Optional Extension Element - found in all resources.
//!
//! 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};
/// Optional Extension Element - found in all resources.
///
/// Every element in a FHIR resource or datatype may include one or more
/// `Extension` child elements. Extensions provide a standardized mechanism for
/// representing additional information that is not part of the base definition
/// of the element, while preserving interoperability. Each extension is
/// identified by a `url` and carries a single value drawn from the FHIR
/// `value[x]` choice, and extensions may themselves be nested to build complex
/// structures.
///
/// # Examples
///
/// ```
/// use fhir::r5::types::extension::Extension;
///
/// let value = Extension::default();
/// let json = ::serde_json::to_value(&value).unwrap();
/// let back: Extension = ::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 Extension {
/// 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>,
/// identifies the meaning of the extension
pub url: types::String,
/// The `Extension.value[x]` choice element (0..1); see [`ExtensionValue`].
#[serde(flatten)]
pub value: Option<ExtensionValue>,
}
#[cfg(test)]
mod tests {
use super::*;
type T = Extension;
#[test]
fn test_default() {
let _ = T::default();
}
#[test]
fn test_serde_round_trip() {
let value = T::default();
let json = ::serde_json::to_value(&value).expect("to_value");
let back: T = ::serde_json::from_value(json).expect("from_value");
assert_eq!(value, back);
}
}
/// The `Extension.value[x]` choice element (see spec/11-choice-types.md).
#[derive(Debug, Clone, PartialEq, Eq, fhir_derive_macros::FhirChoice, Validate)]
#[allow(clippy::large_enum_variant)]
pub enum ExtensionValue {
/// `valueBase64Binary` variant.
#[fhir("valueBase64Binary")]
Base64Binary(crate::r5::choice::Primitive<types::Base64Binary>),
/// `valueBoolean` variant.
#[fhir("valueBoolean")]
Boolean(crate::r5::choice::Primitive<types::Boolean>),
/// `valueCanonical` variant.
#[fhir("valueCanonical")]
Canonical(crate::r5::choice::Primitive<types::Canonical>),
/// `valueCode` variant.
#[fhir("valueCode")]
Code(crate::r5::choice::Primitive<types::Code>),
/// `valueDate` variant.
#[fhir("valueDate")]
Date(crate::r5::choice::Primitive<types::Date>),
/// `valueDateTime` variant.
#[fhir("valueDateTime")]
DateTime(crate::r5::choice::Primitive<types::DateTime>),
/// `valueDecimal` variant.
#[fhir("valueDecimal")]
Decimal(crate::r5::choice::Primitive<types::Decimal>),
/// `valueId` variant.
#[fhir("valueId")]
Id(crate::r5::choice::Primitive<types::Id>),
/// `valueInstant` variant.
#[fhir("valueInstant")]
Instant(crate::r5::choice::Primitive<types::Instant>),
/// `valueInteger` variant.
#[fhir("valueInteger")]
Integer(crate::r5::choice::Primitive<types::Integer>),
/// `valueInteger64` variant.
#[fhir("valueInteger64")]
Integer64(crate::r5::choice::Primitive<types::Integer64>),
/// `valueMarkdown` variant.
#[fhir("valueMarkdown")]
Markdown(crate::r5::choice::Primitive<types::Markdown>),
/// `valueOid` variant.
#[fhir("valueOid")]
Oid(crate::r5::choice::Primitive<types::Oid>),
/// `valuePositiveInt` variant.
#[fhir("valuePositiveInt")]
PositiveInt(crate::r5::choice::Primitive<types::PositiveInt>),
/// `valueString` variant.
#[fhir("valueString")]
String(crate::r5::choice::Primitive<types::String>),
/// `valueTime` variant.
#[fhir("valueTime")]
Time(crate::r5::choice::Primitive<types::Time>),
/// `valueUnsignedInt` variant.
#[fhir("valueUnsignedInt")]
UnsignedInt(crate::r5::choice::Primitive<types::UnsignedInt>),
/// `valueUri` variant.
#[fhir("valueUri")]
Uri(crate::r5::choice::Primitive<types::Uri>),
/// `valueUrl` variant.
#[fhir("valueUrl")]
Url(crate::r5::choice::Primitive<types::Url>),
/// `valueUuid` variant.
#[fhir("valueUuid")]
Uuid(crate::r5::choice::Primitive<types::Uuid>),
/// `valueAddress` variant.
#[fhir("valueAddress")]
Address(Box<types::Address>),
/// `valueAge` variant.
#[fhir("valueAge")]
Age(Box<types::Age>),
/// `valueAnnotation` variant.
#[fhir("valueAnnotation")]
Annotation(Box<types::Annotation>),
/// `valueAttachment` variant.
#[fhir("valueAttachment")]
Attachment(Box<types::Attachment>),
/// `valueCodeableConcept` variant.
#[fhir("valueCodeableConcept")]
CodeableConcept(Box<types::CodeableConcept>),
/// `valueCodeableReference` variant.
#[fhir("valueCodeableReference")]
CodeableReference(Box<types::CodeableReference>),
/// `valueCoding` variant.
#[fhir("valueCoding")]
Coding(Box<types::Coding>),
/// `valueContactPoint` variant.
#[fhir("valueContactPoint")]
ContactPoint(Box<types::ContactPoint>),
/// `valueCount` variant.
#[fhir("valueCount")]
Count(Box<types::Count>),
/// `valueDistance` variant.
#[fhir("valueDistance")]
Distance(Box<types::Distance>),
/// `valueDuration` variant.
#[fhir("valueDuration")]
Duration(Box<types::Duration>),
/// `valueHumanName` variant.
#[fhir("valueHumanName")]
HumanName(Box<types::HumanName>),
/// `valueIdentifier` variant.
#[fhir("valueIdentifier")]
Identifier(Box<types::Identifier>),
/// `valueMoney` variant.
#[fhir("valueMoney")]
Money(Box<types::Money>),
/// `valuePeriod` variant.
#[fhir("valuePeriod")]
Period(Box<types::Period>),
/// `valueQuantity` variant.
#[fhir("valueQuantity")]
Quantity(Box<types::Quantity>),
/// `valueRange` variant.
#[fhir("valueRange")]
Range(Box<types::Range>),
/// `valueRatio` variant.
#[fhir("valueRatio")]
Ratio(Box<types::Ratio>),
/// `valueRatioRange` variant.
#[fhir("valueRatioRange")]
RatioRange(Box<types::RatioRange>),
/// `valueReference` variant.
#[fhir("valueReference")]
Reference(Box<types::Reference>),
/// `valueSampledData` variant.
#[fhir("valueSampledData")]
SampledData(Box<types::SampledData>),
/// `valueSignature` variant.
#[fhir("valueSignature")]
Signature(Box<types::Signature>),
/// `valueTiming` variant.
#[fhir("valueTiming")]
Timing(Box<types::Timing>),
/// `valueContactDetail` variant.
#[fhir("valueContactDetail")]
ContactDetail(Box<types::ContactDetail>),
/// `valueDataRequirement` variant.
#[fhir("valueDataRequirement")]
DataRequirement(Box<types::DataRequirement>),
/// `valueExpression` variant.
#[fhir("valueExpression")]
Expression(Box<types::Expression>),
/// `valueParameterDefinition` variant.
#[fhir("valueParameterDefinition")]
ParameterDefinition(Box<types::ParameterDefinition>),
/// `valueRelatedArtifact` variant.
#[fhir("valueRelatedArtifact")]
RelatedArtifact(Box<types::RelatedArtifact>),
/// `valueTriggerDefinition` variant.
#[fhir("valueTriggerDefinition")]
TriggerDefinition(Box<types::TriggerDefinition>),
/// `valueUsageContext` variant.
#[fhir("valueUsageContext")]
UsageContext(Box<types::UsageContext>),
/// `valueAvailability` variant.
#[fhir("valueAvailability")]
Availability(Box<types::Availability>),
/// `valueExtendedContactDetail` variant.
#[fhir("valueExtendedContactDetail")]
ExtendedContactDetail(Box<types::ExtendedContactDetail>),
/// `valueDosage` variant.
#[fhir("valueDosage")]
Dosage(Box<types::Dosage>),
/// `valueMeta` variant.
#[fhir("valueMeta")]
Meta(Box<types::Meta>),
}