FEAT FIX Checked missing CheckedSupplier interface

src/main/java/de/nclazz/commons/func/Checked.java

@@ -42,6 +42,11 @@ public abstract class Checked {
         void run() throws Exception;
     }
 
+    @FunctionalInterface
+    public interface CheckedSupplier<T> {
+        T get() throws Exception;
+    }
+
     public static <T> Consumer<T> checked(CheckedConsumer<T> consumer) {
         return t -> {
             try {
@@ -103,7 +108,7 @@ public abstract class Checked {
     }
 
 
-    public static Runnable checked(Runnable runnable) {
+    public static Runnable checked(CheckedRunnable runnable) {
         return () -> {
             try {
                 runnable.run();
@@ -113,5 +118,15 @@ public abstract class Checked {
         };
     }
 
+    public static <T> Supplier<T> checked(CheckedSupplier<T> supplier) {
+        return () -> {
+            try {
+                return supplier.get();
+            }catch(Exception e) {
+                throw new RuntimeException(e);
+            }
+        };
+    }
+
 
 }