ObjFW  Diff

	if (oldimp == (IMP)0 || newimp == (IMP)0)
		@throw [OFInvalidArgumentException newWithClass: self
						    andSelector: _cmd];

	method->method_imp = newimp;
	return oldimp;
#else
	IMP imp = class_getMethodImplementation(class, selector);
	Method method = class_getInstanceMethod(self, selector);
	Method m;
	IMP imp;

	if (imp == NULL || method == NULL)
	if ((m = class_getInstanceMethod(self, selector)) == NULL ||
	    (imp = method_getImplementation(m)) == NULL)
		@throw [OFInvalidArgumentException newWithClass: self
						    andSelector: _cmd];

	return method_setImplementation(method, imp);
	return method_setImplementation(m, imp);
#endif
}

- init
{
	return self;
}

	/* Classes containing data should reimplement this! */
	return (self == obj ? YES : NO);
}

- (uint32_t)hash
{
	/* Classes containing data should reimplement this! */
	return (uint32_t)self;
	return (uint32_t)(intptr_t)self;
}

- addToMemoryPool: (void*)ptr
{
	void **memchunks;
	size_t memchunks_size;