/**
* Return a method that casts its sole argument (an Object) to the given type and returns it as
* the given type.
*/
public static MethodHandle cast(Class<?> type) {
if (type.isPrimitive())
throw new IllegalArgumentException("cannot cast primitive type " + type);
MethodHandle mh;
Wrapper wrap = null;
EnumMap<Wrapper, MethodHandle> cache = null;
if (Wrapper.isWrapperType(type)) {
wrap = Wrapper.forWrapperType(type);
cache = WRAPPER_CASTS[0];
mh = cache.get(wrap);
if (mh != null) return mh;
}
mh = MethodHandles.insertArguments(CAST_REFERENCE, 0, type);
if (cache != null) cache.put(wrap, mh);
return mh;
}
