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NSMutableData *data = [NSMutableData dataWithLength:arr.size];，更多细节参见爱思助手下载最新版本
{"user_content": "rename app to Hello", "tool_name": "change_app_title", "tool_arguments": "{\"title\": \"Hello\"}"}。业内人士推荐Line官方版本下载作为进阶阅读
Transforms can be stateless or stateful. A stateless transform is just a function that takes chunks and returns transformed chunks:
Randomly selecting border points or using simple geometric divisions (squares/hexagons) results in too many border points per cluster (50-80). This leads to a shortcut explosion (N*(N-1)/2 shortcuts), making the files large and and calculations slow.