Method addOrCheckAttribute

source/python.js:10552–10563

(name, ty, is_parameter, is_buffer)

                return slot;
            }
            addOrCheckAttribute(name, ty, is_parameter, is_buffer) {
                is_parameter = is_parameter || false;
                is_buffer = is_buffer || false;
                const slot_idx = this.findAttributeSlot(name);
                if (slot_idx === null) {
                    return this.addAttribute(name, ty, is_parameter, is_buffer);
                }
                // TORCH_CHECK(is_parameter == this.is_parameter(*slot_idx), "Parameter field mismatch for the field '", name, "'");
                // const TypePtr& atype = getAttribute(*slot_idx);
                // TORCH_CHECK(ty.isSubtypeOf(*atype), ty.repr_str(), " is not compatible with the type ", atype.repr_str(), " for the field '", name, "'");
                return slot_idx;
            }
            findAttributeSlot(name) {
                for (let pos = 0; pos < this._attributes.length; pos++) {
                    if (name === this._attributes[pos].name) {