At the heart of BuildKit is LLB (Low-Level Build definition). Think of it as the LLVM IR of build systems. LLB is a binary protocol (protobuf) that describes a DAG of filesystem operations: run a command, copy files, mount a filesystem. It’s content-addressable, which means identical operations produce identical hashes, enabling aggressive caching.
What you'd expect: AWS, GCP, Azure
，这一点在谷歌浏览器【最新下载地址】中也有详细论述
specific_view: ${view name},，这一点在im钱包官方下载中也有详细论述
// 核心逻辑：维护单调递增栈，仅当k0时移除高位大数