1 files changed, 14 insertions, 2 deletions
diff --git a/src/main/java/org/zwobble/mammoth/internal/docx/ReadResult.java b/src/main/java/org/zwobble/mammoth/internal/docx/ReadResult.java
index fa38338..beff7f7 100644
--- a/src/main/java/org/zwobble/mammoth/internal/docx/ReadResult.java
+++ b/src/main/java/org/zwobble/mammoth/internal/docx/ReadResult.java
@@ -42,11 +42,15 @@ public class ReadResult {
     }
 
     public static ReadResult emptyWithWarning(String warning) {
-        return new ReadResult(list(), list(), list(warning));
+        return withWarning(list(), warning);
     }
 
     public static ReadResult withWarning(DocumentElement element, String warning) {
-        return new ReadResult(list(element), list(), list(warning));
+        return withWarning(list(element), warning);
+    }
+
+    public static ReadResult withWarning(List<DocumentElement> elements, String warning) {
+        return new ReadResult(elements, list(), list(warning));
     }
 
     private final List<DocumentElement> elements;
@@ -66,6 +70,14 @@ public class ReadResult {
             warnings);
     }
 
+    public ReadResult flatMap(Function<List<DocumentElement>, ReadResult> function) {
+        ReadResult result = function.apply(elements);
+        return new ReadResult(
+            result.elements,
+            eagerConcat(extra, result.extra),
+            lazyConcat(warnings, result.warnings));
+    }
+
     public ReadResult toExtra() {
         return new ReadResult(list(), eagerConcat(extra, elements), warnings);
     }