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use crate::{
typing::AnyValue,
error::{ Error, Result }
};
use std::{
collections::BTreeMap, convert::TryFrom, iter::FromIterator,
ops::{ Deref, DerefMut }
};
#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Default)]
#[repr(transparent)]
pub struct Map {
inner: BTreeMap<AnyValue, AnyValue>
}
impl From<BTreeMap<AnyValue, AnyValue>> for Map {
fn from(value: BTreeMap<AnyValue, AnyValue>) -> Self {
Self { inner: value }
}
}
impl TryFrom<AnyValue> for Map {
type Error = Error;
fn try_from(value: AnyValue) -> Result<Self> {
match value {
AnyValue::Map(value) => Ok(value),
value => Err(etype!("Cannot convert {:?} to map", value))
}
}
}
impl Deref for Map {
type Target = BTreeMap<AnyValue, AnyValue>;
fn deref(&self) -> &Self::Target {
&self.inner
}
}
impl DerefMut for Map {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.inner
}
}
impl AsRef<BTreeMap<AnyValue, AnyValue>> for Map {
fn as_ref(&self) -> &BTreeMap<AnyValue, AnyValue> {
self
}
}
impl AsMut<BTreeMap<AnyValue, AnyValue>> for Map {
fn as_mut(&mut self) -> &mut BTreeMap<AnyValue, AnyValue> {
self
}
}
impl From<Map> for BTreeMap<AnyValue, AnyValue> {
fn from(value: Map) -> Self {
value.inner
}
}
impl IntoIterator for Map {
type Item = (AnyValue, AnyValue);
type IntoIter = <BTreeMap<AnyValue, AnyValue> as IntoIterator>::IntoIter;
fn into_iter(self) -> Self::IntoIter {
self.inner.into_iter()
}
}
impl FromIterator<(AnyValue, AnyValue)> for Map {
fn from_iter<T: IntoIterator<Item = (AnyValue, AnyValue)>>(values: T) -> Self {
Self { inner: values.into_iter().collect() }
}
}
impl From<Map> for AnyValue {
fn from(value: Map) -> Self {
AnyValue::Map(value)
}
}