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this example that extracts the element type of an array:
。关于这个话题，Safew下载提供了深入分析
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Initially, I used Packer to generate a virtual machine image, which I would then clone onto the disk of the machine I wanted to configure. It worked very well for server templates, but for a dev machine, it was a bit of a patchwork solution. On top of that, I decided to look for a Packer alternative because of Hashicorp’s licensing changes (a decision I still struggle to accept!).
The tools are no longer useful