//! # DUE
//!
//! The `DUE` property: when a to-do is due (RFC 5545 3.8.2.3).
use crate::{
prop::{IcalPropKind, cardinality::IcalPropCardinality, spec::IcalPropSpec},
value::IcalValueKind,
version::IcalVersion,
};
/// The `DUE` property marker.
pub struct DUE;
impl IcalPropSpec for DUE {
const KIND: IcalPropKind = IcalPropKind::Due;
fn cardinality(_version: IcalVersion) -> IcalPropCardinality {
IcalPropCardinality::AtMostOne
}
fn allowed_values(_version: IcalVersion) -> &'static [IcalValueKind] {
&[IcalValueKind::DateTime]
}
}