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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
use crate::{
zone::{TimeZoneVariant, UtcOffset, ZoneNameTimestamp},
Hour, Minute, Nanosecond, Second, TimeZone,
};
use icu_calendar::{types::*, AnyCalendarKind};
/// Converts Self to an `Option<T>`, either `Some(T)` if able or `None`
pub trait IntoOption<T> {
/// Return `self` as an `Option<T>`
fn into_option(self) -> Option<T>;
}
impl<T> IntoOption<T> for Option<T> {
#[inline]
fn into_option(self) -> Option<T> {
self
}
}
impl<T> IntoOption<T> for () {
#[inline]
fn into_option(self) -> Option<T> {
None
}
}
impl IntoOption<YearInfo> for YearInfo {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<MonthInfo> for MonthInfo {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<DayOfMonth> for DayOfMonth {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<Weekday> for Weekday {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<DayOfYear> for DayOfYear {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<AnyCalendarKind> for AnyCalendarKind {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<Hour> for Hour {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<Minute> for Minute {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<Second> for Second {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<Nanosecond> for Nanosecond {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<TimeZone> for TimeZone {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<UtcOffset> for UtcOffset {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<TimeZoneVariant> for TimeZoneVariant {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}
impl IntoOption<ZoneNameTimestamp> for ZoneNameTimestamp {
#[inline]
fn into_option(self) -> Option<Self> {
Some(self)
}
}