added a simple implementation of the AllowedListInputs

Author: WizardlyBump17

commands/src/main/java/com/wizardlybump17/wlib/command/input/AllowedInputs.java

@@ -3,6 +3,7 @@
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.util.List;
 import java.util.Objects;
 
 public interface AllowedInputs<T> {
@@ -19,6 +20,10 @@ public interface AllowedInputs<T> {
         return (Any<T>) Any.NOT_NULL;
     }
 
+    static <T> AllowedListInputs.@NotNull Values<T> values(@NotNull List<T> values) {
+        return new AllowedListInputs.Values<>(values);
+    }
+
     final class Any<T> implements AllowedInputs<T> {
 
         private static final @NotNull Any<Object> NULLABLE = new Any<>(true);

commands/src/main/java/com/wizardlybump17/wlib/command/input/AllowedListInputs.java

@@ -4,6 +4,7 @@
 import org.jetbrains.annotations.Nullable;
 
 import java.util.List;
+import java.util.Objects;
 
 public interface AllowedListInputs<T> extends AllowedInputs<T> {
 
@@ -15,4 +16,38 @@ default boolean isAllowed(@Nullable T input) {
             return false;
         return allowedValues().contains(input);
     }
+
+    final class Values<T> implements AllowedListInputs<T> {
+
+        private final @NotNull List<T> values;
+
+        Values(@NotNull List<T> values) {
+            this.values = List.copyOf(values);
+        }
+
+        @Override
+        public @NotNull List<T> allowedValues() {
+            return values;
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (o == null || getClass() != o.getClass())
+                return false;
+            Values<?> values1 = (Values<?>) o;
+            return Objects.equals(values, values1.values);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hashCode(values);
+        }
+
+        @Override
+        public String toString() {
+            return "AllowedListInputs$Values{" +
+                    "values=" + values +
+                    '}';
+        }
+    }
 }