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Comment by mmalone | Hacker News Reader

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Yea, like, imagine if posix pipes and command-line flags could be typed.

The general problem is that typing for these sorts of systems suck. If it works it's a nice little safety feature, but when the types don't line up it's infuriating. Treating everything as a lowest common denominator makes compatibility trivial.

Powershell offers this I believe.

NuShell is also attempting this. Both are cross platform.

https://github.com/nushell/nushell

Thanks for mentioning this! It looks super interesting, but I hadn't heard of it before.

That's right. I recently wrote on this topic: https://jmmv.dev/2020/10/powershell-cmdlet-params.html

Yep. Not perfect... type systems have come a long way since PowerShell did it. But it's a good start.

Look at stuff like PowerShell secure strings for an example of the sort of neat stuff you can do.

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