//! # SEQUENCE
//!
//! The `SEQUENCE` property: the revision number of the component, raised on
//! every significant change (RFC 5545 3.8.7.4).
use crate::{
prop::{IcalPropKind, cardinality::IcalPropCardinality, spec::IcalPropSpec},
value::IcalValueKind,
version::IcalVersion,
};
/// The `SEQUENCE` property marker.
pub struct SEQUENCE;
impl IcalPropSpec for SEQUENCE {
const KIND: IcalPropKind = IcalPropKind::Sequence;
fn cardinality(_version: IcalVersion) -> IcalPropCardinality {
IcalPropCardinality::AtMostOne
}
fn allowed_values(_version: IcalVersion) -> &'static [IcalValueKind] {
&[IcalValueKind::Integer]
}
}