Merge pull request #46 from Clexus/main

add copy to pair

Author: Clexus

build.gradle.kts

@@ -15,7 +15,7 @@ val paperApiName = "1.21.5-R0.1-SNAPSHOT"
 // = = =
 
 group = "cat.nyaa"
-version ="9.6"
+version ="9.7"
 
 java {
     // Configure the java toolchain. This allows gradle to auto-provision JDK 21 on systems that only have JDK 8 installed for example.

src/main/java/cat/nyaa/nyaacore/Pair.java

@@ -2,6 +2,7 @@
 
 import java.util.Map;
 import java.util.Objects;
+import java.util.function.Function;
 
 public class Pair<K, V> implements Map.Entry<K, V> {
 
@@ -18,6 +19,16 @@ public Pair(Map.Entry<? extends K, ? extends V> entry) {
         this.value = entry.getValue();
     }
 
+    public Pair<K, V> copy() {
+        return new Pair<>(this.key, this.value);
+    }
+
+    public Pair<K, V> deepCopy(Function<K, K> keyMapper, Function<V, V> valueMapper) {
+        K keyCopy = key == null ? null : keyMapper.apply(key);
+        V valueCopy = value == null ? null : valueMapper.apply(value);
+        return new Pair<>(keyCopy, valueCopy);
+    }
+
     public static <Ks, Vs> Pair<Ks, Vs> of(Ks key, Vs value) {
         return new Pair<>(key, value);
     }