Adds several convenience features

PkmnLib.Static/Libraries/DataLibrary.cs

@@ -1,3 +1,4 @@
+using System.Collections;
 using System.Diagnostics.CodeAnalysis;
 using PkmnLib.Static.Utils;
 
@@ -6,10 +7,13 @@ namespace PkmnLib.Static.Libraries;
 /// <summary>
 /// A basic library for data types. Stores data both by name and by index.
 /// </summary>
-public abstract class DataLibrary<T>
+public abstract class DataLibrary<T> : IEnumerable<T>
     where T : INamedValue
 {
-    private readonly Dictionary<StringKey, T> _data = new();
+    /// <summary>
+    /// The underlying data storage.
+    /// </summary>
+    protected readonly Dictionary<StringKey, T> Data = new();
     private readonly List<T> _values = [];
 
     /// <summary>
@@ -17,7 +21,7 @@ public abstract class DataLibrary<T>
     /// </summary>
     public void Add(T value)
     {
-        _data.Add(value.Name, value);
+        Data.Add(value.Name, value);
         _values.Add(value);
     }
 
@@ -26,14 +30,14 @@ public abstract class DataLibrary<T>
     /// </summary>
     public void Remove(T value)
     {
-        _data.Remove(value.Name);
+        Data.Remove(value.Name);
         _values.Remove(value);
     }
 
     /// <summary>
     /// Try to get a value from the library. Returns false if the value is not found.
     /// </summary>
-    public bool TryGet(StringKey key, [MaybeNullWhen(false)] out T value) => _data.TryGetValue(key, out value);
+    public bool TryGet(StringKey key, [MaybeNullWhen(false)] out T value) => Data.TryGetValue(key, out value);
 
     /// <summary>
     /// Get a random value from the library.
@@ -49,4 +53,10 @@ public abstract class DataLibrary<T>
     /// Whether the library is empty.
     /// </summary>
     public bool IsEmpty => _values.Count == 0;
+
+    /// <inheritdoc />
+    public IEnumerator<T> GetEnumerator() => _values.GetEnumerator();
+
+    /// <inheritdoc />
+    IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
 }