Properly handle zero length strings when trimming

diff --git a/src/main/java/eu/svjatoslav/commons/string/String2.java b/src/main/java/eu/svjatoslav/commons/string/String2.java
index 8d7273d..c18633a 100755 (executable)
--- a/src/main/java/eu/svjatoslav/commons/string/String2.java
+++ b/src/main/java/eu/svjatoslav/commons/string/String2.java
@@ -86,7 +86,7 @@ public class String2 {
         if (actualCutAmount > getLength())
             actualCutAmount = getLength();
 
-        chars.subList(0, actualCutAmount).clear();
+        if (actualCutAmount > 0) chars.subList(0, actualCutAmount).clear();
 
         return this;
     }