func Foo(in interface{}) {
val, ok := in.(someTypeOrInterface)
if !ok {
// TODO HANDLE ERROR
}
...
}
Wow, this is so much more readable /s
On Thursday, August 24, 2017 at 6:14:58 PM UTC+3, JuciÊ Andrade wrote:
>
> A lot of people like Go because code is very readable even for beginners.
>
> func f(x, y int)
>
> f is a function that receives x and y as int parameters, returning
> nothing. Simple enough.
>
> func f(x, y int) int
>
> f is a function that receives x and y as int parameters, returning yet
> another int. Fine.
>
> func f(x, y int) (z int, err error)
>
> f is a function that receives x and y as int parameters, returning two
> values: a first int, that we name z and an error named err. A little bit
> weird, but ok.
>
> func (r MyType) f(x, y int) (z int, err error)
>
> f is a method for a value of type MyType, henceforth named r, that
> receives x and y as int parameters, returning two values: a first int, that
> we name z and an error named err. Definitely not so simple.
>
> <genType1, genType2> func (r genType1) f(x, y genType2) (z getType2, err
> error)
>
> You must be kidding. STOP RIGHT THERE!
>
>
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