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use crate::{
typing::AnyValue,
error::{ Error, Result }
};
use std::{
convert::TryFrom, iter::FromIterator,
ops::{ Deref, DerefMut }
};
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Default)]
#[repr(transparent)]
pub struct Sequence {
inner: Vec<AnyValue>
}
impl Sequence {
pub fn new<T>(value: T) -> Self where T: Into<Vec<AnyValue>> {
Self { inner: value.into() }
}
}
impl From<Vec<AnyValue>> for Sequence {
fn from(value: Vec<AnyValue>) -> Self {
Self::new(value)
}
}
impl From<&[AnyValue]> for Sequence {
fn from(value: &[AnyValue]) -> Self {
Self::new(value)
}
}
impl<const N: usize> From<[AnyValue; N]> for Sequence {
fn from(value: [AnyValue; N]) -> Self {
Self::new(value)
}
}
impl TryFrom<AnyValue> for Sequence {
type Error = Error;
fn try_from(value: AnyValue) -> Result<Self> {
match value {
AnyValue::Sequence(value) => Ok(value),
value => Err(etype!("Cannot convert {:?} to sequence", value))
}
}
}
impl Deref for Sequence {
type Target = Vec<AnyValue>;
fn deref(&self) -> &Self::Target {
&self.inner
}
}
impl DerefMut for Sequence {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.inner
}
}
impl AsRef<Vec<AnyValue>> for Sequence {
fn as_ref(&self) -> &Vec<AnyValue> {
self
}
}
impl AsMut<Vec<AnyValue>> for Sequence {
fn as_mut(&mut self) -> &mut Vec<AnyValue> {
self
}
}
impl AsRef<[AnyValue]> for Sequence {
fn as_ref(&self) -> &[AnyValue] {
self
}
}
impl AsMut<[AnyValue]> for Sequence {
fn as_mut(&mut self) -> &mut [AnyValue] {
self
}
}
impl From<Sequence> for Vec<AnyValue> {
fn from(value: Sequence) -> Self {
value.inner
}
}
impl<const N: usize> TryFrom<Sequence> for [AnyValue; N] {
type Error = Error;
fn try_from(value: Sequence) -> Result<Self> {
let len = value.len();
Self::try_from(value.inner)
.map_err(|_| etype!("Cannot represent {} elements as `[AnyType; {}]`", len, N))
}
}
impl IntoIterator for Sequence {
type Item = AnyValue;
type IntoIter = <Vec<AnyValue> as IntoIterator>::IntoIter;
fn into_iter(self) -> Self::IntoIter {
self.inner.into_iter()
}
}
impl FromIterator<AnyValue> for Sequence {
fn from_iter<T: IntoIterator<Item = AnyValue>>(values: T) -> Self {
Self { inner: values.into_iter().collect() }
}
}
impl From<Sequence> for AnyValue {
fn from(value: Sequence) -> Self {
AnyValue::Sequence(value)
}
}