[Truffle] Document DispatchHeadNode#doesRespondTo.

jruby · Jan 2, 2015 · 199afcc · 199afcc
1 parent fb9199f
commit 199afcc
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/core/src/main/java/org/jruby/truffle/nodes/dispatch/DispatchHeadNode.java b/core/src/main/java/org/jruby/truffle/nodes/dispatch/DispatchHeadNode.java
@@ -136,6 +136,12 @@ public long callLongFixnum(
                 this));
     }
 
+    /**
+     * Check if a specific method is defined on the receiver object.
+     * This check is "static" and should only be used in a few VM operations.
+     * In many cases, a dynamic call to Ruby's respond_to? should be used instead.
+     * Similar to MRI rb_check_funcall().
+     */
     public boolean doesRespondTo(
             VirtualFrame frame,
             Object methodName,