avoid forEach

daneko · daneko · commit 3c7346fe35c5 · 2015-12-17T17:36:59.000+09:00
diff --git a/core/src/main/java/fj/function/Strings.java b/core/src/main/java/fj/function/Strings.java
@@ -1,7 +1,6 @@
 package fj.function;
 
 import fj.F;
-import fj.F2;
 import fj.data.List;
 import fj.data.Stream;
 import static fj.Function.curry;
@@ -47,7 +46,7 @@ private Strings() {
   /**
    * This function checks if a given String is whitespace (according to {@link Character#isWhitespace(char)}),
    * empty ("") or <code>null</code>.
-   * 
+   *
    * @see #isNotNullOrBlank
    * @see Character#isWhitespace(char)
    * @see Characters#isWhitespace
@@ -86,7 +85,7 @@ public static F<String, List<String>> lines() {
 
   public static String unlines(List<String> list) {
     StringBuilder sb = new StringBuilder();
-    list.intersperse(lineSeparator).forEach(s -> sb.append(s));
+    list.intersperse(lineSeparator).foreachDoEffect(s -> sb.append(s));
     return sb.toString();
   }
 
