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stop using index trait

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This commit is contained in:
Aiden McClelland
2021-04-26 16:36:50 -06:00
committed by Aiden McClelland
parent 8128321f0d
commit 6b350b3d2d
1 changed files with 40 additions and 25 deletions
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65
patch-db/src/model.rs
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@@ -1,7 +1,7 @@
use std::collections::{BTreeMap, HashMap};
use std::hash::Hash;
use std::marker::PhantomData;
use std::ops::{Deref, DerefMut, Index};
use std::ops::{Deref, DerefMut};
use json_ptr::JsonPointer;
use serde::{Deserialize, Serialize};
@@ -228,9 +228,30 @@ impl<T: Serialize + for<'de> Deserialize<'de>> HasModel for Vec<T> {
type Model = VecModel<T>;
}
pub trait Map {
type Key: AsRef<str>;
type Value;
}
impl<K: AsRef<str>, V> Map for HashMap<K, V> {
type Key = K;
type Value = V;
}
impl<K: AsRef<str>, V> Map for BTreeMap<K, V> {
type Key = K;
type Value = V;
}
#[derive(Debug, Clone)]
pub struct MapModel<T: Serialize + for<'de> Deserialize<'de> + for<'a> Index<&'a str>>(Model<T>);
impl<T: Serialize + for<'de> Deserialize<'de> + for<'a> Index<&'a str>> Deref for MapModel<T> {
pub struct MapModel<T>(Model<T>)
where
T: Serialize + for<'de> Deserialize<'de> + Map,
T::Value: Serialize + for<'de> Deserialize<'de>;
impl<T> Deref for MapModel<T>
where
T: Serialize + for<'de> Deserialize<'de> + Map,
T::Value: Serialize + for<'de> Deserialize<'de>,
{
type Target = Model<T>;
fn deref(&self) -> &Self::Target {
&self.0
@@ -238,31 +259,26 @@ impl<T: Serialize + for<'de> Deserialize<'de> + for<'a> Index<&'a str>> Deref fo
}
impl<T> MapModel<T>
where
T: Serialize + for<'de> Deserialize<'de> + for<'a> Index<&'a str>,
for<'a, 'de> <T as Index<&'a str>>::Output: Serialize + Deserialize<'de>,
T: Serialize + for<'de> Deserialize<'de> + Map,
T::Value: Serialize + for<'de> Deserialize<'de>,
{
pub fn idx(&self, idx: &str) -> Model<Option<<T as Index<&str>>::Output>> {
self.child(idx)
pub fn idx(&self, idx: &<T as Map>::Key) -> Model<Option<<T as Map>::Value>> {
self.child(idx.as_ref())
}
}
impl<T> MapModel<T>
where
T: Serialize + for<'de> Deserialize<'de> + for<'a> Index<&'a str>,
for<'a, 'de> <T as Index<&'a str>>::Output: Serialize + Deserialize<'de> + HasModel,
T: Serialize + for<'de> Deserialize<'de> + Map,
T::Value: Serialize + for<'de> Deserialize<'de> + HasModel,
{
pub fn idx_model(&self, idx: &str) -> OptionModel<<T as Index<&str>>::Output> {
self.child(idx).into()
pub fn idx_model(&self, idx: &<T as Map>::Key) -> OptionModel<<T as Map>::Value> {
self.child(idx.as_ref()).into()
}
}
impl<T: Serialize + for<'de> Deserialize<'de> + for<'a> Index<&'a str>> From<Model<Box<T>>>
for MapModel<T>
{
fn from(model: Model<Box<T>>) -> Self {
MapModel(From::from(JsonPointer::from(model)))
}
}
impl<T: Serialize + for<'de> Deserialize<'de> + for<'a> Index<&'a str>> From<JsonPointer>
for MapModel<T>
impl<T> From<JsonPointer> for MapModel<T>
where
T: Serialize + for<'de> Deserialize<'de> + Map,
T::Value: Serialize + for<'de> Deserialize<'de>,
{
fn from(ptr: JsonPointer) -> Self {
MapModel(From::from(ptr))
@@ -270,7 +286,8 @@ impl<T: Serialize + for<'de> Deserialize<'de> + for<'a> Index<&'a str>> From<Jso
}
impl<T> AsRef<JsonPointer> for MapModel<T>
where
T: Serialize + for<'de> Deserialize<'de> + for<'a> Index<&'a str>,
T: Serialize + for<'de> Deserialize<'de> + Map,
T::Value: Serialize + for<'de> Deserialize<'de>,
{
fn as_ref(&self) -> &JsonPointer {
self.0.as_ref()
@@ -278,17 +295,15 @@ where
}
impl<K, V> HasModel for HashMap<K, V>
where
K: Serialize + for<'de> Deserialize<'de> + Hash + Eq,
K: Serialize + for<'de> Deserialize<'de> + Hash + Eq + AsRef<str>,
V: Serialize + for<'de> Deserialize<'de>,
for<'a> HashMap<K, V>: Index<&'a str>,
{
type Model = MapModel<HashMap<K, V>>;
}
impl<K, V> HasModel for BTreeMap<K, V>
where
K: Serialize + for<'de> Deserialize<'de> + Hash + Eq,
K: Serialize + for<'de> Deserialize<'de> + Hash + Eq + AsRef<str>,
V: Serialize + for<'de> Deserialize<'de>,
for<'a> HashMap<K, V>: Index<&'a str>,
{
type Model = MapModel<HashMap<K, V>>;
}