Set up IdSet

Cargo.lock

@@ -1698,7 +1698,7 @@ dependencies = [
  "gloo-console 0.4.0",
  "gloo-timers 0.4.0",
  "implicit-clone",
- "luminescent-dreams-common",
+ "luminescent-dreams-common 0.1.0",
  "serde",
  "serde_json",
  "thiserror 2.0.19",
@@ -2812,6 +2812,28 @@ dependencies = [
  "tokio-macros",
 ]
 
+[[package]]
+name = "luminescent-dreams-common"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d5426c81c7c05f72534e06ae7e395c47451ccc6bff0021b6db4a1236deef3285"
+dependencies = [
+ "luminescent-dreams-common-derive",
+ "nonempty",
+ "tokio",
+ "tokio-macros",
+]
+
+[[package]]
+name = "luminescent-dreams-common-derive"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "932c6d54c3029e6e8e6d52574944ca0e57190ad95ff22db89c8d124a0f75d2c8"
+dependencies = [
+ "quote",
+ "syn 3.0.3",
+]
+
 [[package]]
 name = "markdown"
 version = "1.0.0"
@@ -2913,6 +2935,12 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "nonempty"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9737e026353e5cd0736f98eddae28665118eb6f6600902a7f50db585621fecb6"
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.50.3"
@@ -5047,7 +5075,7 @@ dependencies = [
  "implicit-clone",
  "jiff",
  "lazy_static",
- "luminescent-dreams-common",
+ "luminescent-dreams-common 0.2.0",
  "markdown",
  "password-strength",
  "serde",

Cargo.toml

@@ -67,7 +67,7 @@ http                        = { version = "1.3" }
 implicit-clone              = { version = "0.6" }
 jiff                        = { version = "0.2.18" }
 lazy_static                 = { version = "1.5" }
-luminescent-dreams-common   = { version = "0.1" }
+luminescent-dreams-common   = { version = "0.2" }
 markdown                    = { version = "1.0" }
 password-strength           = { version = "1" }
 serde                       = { version = "1.0", features = ["derive", "serde_derive"] }

visions/ui/src/types.rs

@@ -1,3 +1,4 @@
+use implicit_clone::{ImplicitClone, unsync::IArray};
 use yew::prelude::*;
 
 #[derive(Clone, Copy, PartialEq)]
@@ -49,3 +50,65 @@ pub fn AuthenticationOptionElement(
     }
 }
 */
+
+/// An `IdSet` contains a bunch of items whose uniqueness is dictated by the Identifiable trait.
+/// Internally, the `IdSet` contains an `IArray`, which makes cloning it cheap.
+#[derive(Clone, ImplicitClone, PartialEq)]
+pub struct IdSet<T: luminescent_dreams_common::Identifiable + ImplicitClone + 'static>(IArray<T>);
+
+impl<T: luminescent_dreams_common::Identifiable + ImplicitClone + 'static> IdSet<T> {
+    pub fn get(&self, id: &T::Id) -> Option<&T> {
+        self.0.iter().find(|i| i.id() == *id)
+    }
+
+    pub fn insert(self, item: T) -> Self {
+        let item_id = item.id();
+        IdSet(
+            self.0
+                .into_iter()
+                .filter(|i| i.id() != item_id)
+                .chain([item])
+                .collect::<Vec<T>>()
+                .into(),
+        )
+    }
+
+    pub fn remove(self, id: T::Id) -> Self {
+        let item_id = id;
+        IdSet(
+            self.0
+                .into_iter()
+                .filter(|i| i.id() != item_id)
+                .collect::<Vec<T>>()
+                .into(),
+        )
+    }
+
+    /*
+    pub fn iter(&self) -> std::iter::Iter<Item = &T> {
+        todo!()
+    }
+    */
+}
+
+impl<T: luminescent_dreams_common::Identifiable + ImplicitClone + 'static> Default for IdSet<T> {
+    fn default() -> Self {
+        Self(IArray::default())
+    }
+}
+
+impl<T: luminescent_dreams_common::Identifiable + ImplicitClone + 'static> From<IdSet<T>>
+    for IArray<T>
+{
+    fn from(set: IdSet<T>) -> Self {
+        set.0
+    }
+}
+
+impl<T: luminescent_dreams_common::Identifiable + ImplicitClone + 'static> From<Vec<T>>
+    for IdSet<T>
+{
+    fn from(lst: Vec<T>) -> Self {
+        Self(lst.into())
+    }
+}