Abstract:Package managers are legion. Every programming language and operating system has its own solution, each with subtly different semantics for dependency resolution. This fragmentation prevents multilingual projects from expressing precise dependencies across language ecosystems; it leaves external system and hardware dependencies implicit and unversioned; it obscures security vulnerabilities that lie in the full dependency graph. We present the \textit{Package Calculus}, a formalism for dependency resolution that unifies the core semantics of diverse package managers. Through a series of formal reductions, we show how this core is expressive enough to model the diversity that real-world package managers employ in their dependency expression languages. By using the Package Calculus as the intermediate representation of dependencies, we enable translation between distinct package managers and resolution across ecosystems.
归根结底，我相信这反映了驱动他的底层动机。他没有被金钱或权力分散注意力，而是被一种更直接的愿望驱动：以具体可见的方式，表达他对人类物种的爱与欣赏。
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User segment, code, privilege OK, not present。爱思助手下载最新版本对此有专业解读