Delayed error checking about lo HOT 4 CLOSED

You use case is interesting.

I wonder if it could be replaced by Must+Try:

err, ok := lo.TryWithErrorValue(func() error {
    complexStruct{
        id: Must(doSimpleThing1()),
        name: Must(doSimpleThing2()),
        email: Must(doSimpleThing2()),
        ...
    }

    return nil
})

WDYT?

from lo.

@samber
https://gist.github.com/wirekang/372054026f5f7db887d55485b8ee4ca2

I wrote 3 different way to make Person from ctx. I think Delay(temp name) way is also a decent way, although it's similar with Try way.

from lo.

Using this Delay function implies a side effect. I'm not a fan of such a pattern. In the library, we try to stay close to functional programming philosophy.

On the other side, Try+Must will halt the function and immediately return the error.

I don't want to block this contrib, but I wonder if we could make it easier to use.

from lo.

I totally agree with you, and I think there are no way to make the function easier to use due to limitation of Go.

from lo.