API client's should remove APIOptionsFunc type alias

[jasdel]

The type alias generated into API Client package, APIOptionsFunc should be removed because it makes it harder for utility functions defined outside of the API client's package to be compatible with the APIOptionsFunc type alias.

Type alias of a function doesn't really add any benefit other than documentation, since no additional methods will be added to the type alias.

func main() {
	var fn MyFunc

	fn = Impl
	fmt.Println(fn(&SomeType{}))

	SomeConfig(SomeSetup()...)
}

type MyFunc func(*SomeType) error

func Impl(t *SomeType) error {
	return nil
}

func SomeConfig(fns ...MyFunc) {

}

type SomeType struct{}

func SomeSetup() []func(*SomeType) error {

	return []func(*SomeType) error{}
}

cannot use SomeSetup() (type []func(*SomeType) error) as type []MyFunc in argument to SomeConfig

https://play.golang.org/p/754BI_LsS_6

[jasdel]

type alise removed