Add some convenience methods supporting java.util.Optional (#7)

Fix #5 Pull request: #7
ToToTec · May 30, 2024 · eb473c5 · eb473c5
1 parent 14db82e
commit eb473c5
Show file tree

Hide file tree

Showing 3 changed files with 214 additions and 201 deletions.
diff --git a/src/main/java/de/tototec/utils/functional/FList.java b/src/main/java/de/tototec/utils/functional/FList.java
@@ -403,6 +403,10 @@ public static String mkString(final Iterable<?> source, final String separator)
 		return mkString(source, null, separator, null);
 	}
 
+	public static String mkString(final java.util.Optional<?> source, final String separator) {
+		return mkString(Optional.fromJava(source), null, separator, null);
+	}
+
 	public static String mkString(final Object[] source, final String separator) {
 		return mkString(Arrays.asList(source), separator);
 	}