“发布运行”与正常执行有何不同？ [英] What does 'pub run' differs from normal execution?

问题描述

我发现存在一些差异，我无法弄清楚在使用 pub执行二进制文件时，如何运行bin_executable.dart args 而不是 dart bin / bin_executable.dart args 。

I find there are some differences that I can't figure out which nor how when executing a binary withpub run bin_executable.dart args rather than dart bin/bin_executable.dart args.

第一种形式的执行速度明显慢，输出效果最差，有时甚至是错误的。 。

Execution is notably slow in the first form, and the output is worst, sometimes erroneous...

我搜索了在这里，但没有发现任何有用的信息。有什么帮助吗？

I searched here but didn't find anything useful. Any help?

推荐答案

pub运行bin_executable.dart 运行 pub 和 pub 启动一个新进程，该进程运行 dart bin_executable.dart

pub run bin_executable.dart runs pub, and pub starts an new process that runs dart bin_executable.dart

最近有一项更改，允许 pub 运行 bin_executable.dart 在新的Dart隔离中，而不是新的过程中。这样做可能会更快一些，但我认为主要目的是允许附加调试器，以便在与 pub运行时调试 bin_executable.dart 。（特别是用于 pub运行测试）

There was a recent change that allows pub to run bin_executable.dart in a new Dart isolate instead of a new process. That might make it a little faster but I think the main purpose is to allow to attach a debugger to debug bin_executable.dart when run with pub (especially for pub run test)

我认为主要部分或执行速度较慢的是 pub

I assume the main part or the slower execution is the start time for pub

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