Changeset 7170 in josm for trunk/src/org/openstreetmap/josm/tools

Timestamp:

2014-05-22T20:55:57+02:00 (9 years ago)

Author:

simon04

Message:

fix #10063 - MapCSS: make min() and max() work on a list as well

For instance, max(split(";", tag(widths))) splits the tag widths on semicolons and determines the largest numeric value

File:

• trunk/src/org/openstreetmap/josm/tools/Predicates.java (modified) (2 diffs)

trunk/src/org/openstreetmap/josm/tools/Predicates.java

@@ -28 +28 @@
 
     /**
-     * Returns a {@link Predicate} executing {@link Utils#equal}.
+     * Returns a {@link Predicate} executing {@link Objects#equals}.
      */
     public static <T> Predicate<T> equalTo(final T ref) {
@@ -110 +110 @@
         };
     }
+
+    /**
+     * Returns a {@link Predicate} testing whether objects are {@code null}.
+     */
+    public static <T> Predicate<T> isNull() {
+        return new Predicate<T>() {
+            @Override
+            public boolean evaluate(T object) {
+                return object == null;
+            }
+        };
+    }
 }