[go-nuts] Why isn't os.File an interface?

[Dave Cheney]

Please have a read of my talk on solid from 2016. 

https://dave.cheney.net/2016/08/20/solid-go-design

Tldr: define an interface with the behaviour of the os.File that your 
function/method expects. 

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Re: [go-nuts] Why isn't os.File an interface?

[Paul Jolly]

See https://github.com/golang/go/issues/14106

On 9 April 2018 at 19:40, Glen Newton  wrote:

> Hello,
>
> I was wondering why os.File is a struct and not an interface. It does not
> expose anything except methods.
>
> I was wanting to make a mock os.File for testing and other purposes, but
> it not being an interface makes this not easy. Unless I am missing
> something here.
>
> Thanks,
> Glen
>
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[go-nuts] Why isn't os.File an interface?

[Glen Newton]

Hello,

I was wondering why os.File is a struct and not an interface. It does not 
expose anything except methods.

I was wanting to make a mock os.File for testing and other purposes, but it 
not being an interface makes this not easy. Unless I am missing something 
here.

Thanks,
Glen

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