Method markLoop

source/python.js:6826–6835

(node)

                return true;
            }
            markLoop(node) {
                torch._C.TORCH_INTERNAL_ASSERT(node.kind() === 'prim::Loop');
                let marked = false;
                let anyMarked = false;
                do {
                    marked = this.mark(node.blocks().at(0));
                    anyMarked = anyMarked || marked;
                } while (marked);
                return anyMarked;
            }
            mark(...args) {
                if (args.length === 1 && args[0] instanceof torch.Block) {
                    const [block] = args;