invoke/util/ValueConversions.java

155     private static MethodHandle unbox(Wrapper wrap, int kind) {
169                 throw new IllegalArgumentException("unbox "+wrap);
172         String name = "unbox" + wrap.wrapperSimpleName();
189         throw new IllegalArgumentException("cannot find unbox adapter for " + wrap
195         return unbox(type, 0);
199      *  The boolean says whether to throw an NPE on a null value (false means unbox a zero).
203         return unbox(type, throwNPE ? 0 : 1);
212         return unbox(type, 2);
220         return unbox(type, 3);
342         // no value to return; this is an unbox of null