func containsSomeFunc(retTrue, invert bool) func([]interface{}, interface{}) (bool, error) {
	return func(v []interface{}, l interface{}) (bool, error) {
		for i := 0; i < len(v); i++ {
			if ok, _ := in(l, v[i]); ok != invert {
				return !retTrue, nil
			}
		}
		return retTrue, nil
	}
}
func containsSomeFunc(retTrue, invert bool) func([]interface{}, interface{}) (bool, error) {
	return func(v []interface{}, l interface{}) (bool, error) {
		for i := 0; i < len(v); i++ {
			if ok, _ := in(l, v[i]); ok != invert {
				return !retTrue, nil
			}
		}
		return retTrue, nil
	}
}
func containsSomeFunc ( retTrue , invert bool ) func ( [ ] interface { } , interface { } ) ( bool , error ) { return func ( v [ ] interface { } , l interface { } ) ( bool , error ) { for i := 0 ; i < len ( v ) ; i ++ { if ok , _ := in ( l , v [ i ] ) ; ok != invert { return ! retTrue , nil } } return retTrue , nil } }
// containsSomeFunc returns functions to implement each of the following:
//
// 1. containsAll    - true if (∀x ∈ v then x ∈ l); false otherwise
// 2. containsAny    - true if (∃x ∈ v such that x ∈ l); false otherwise
// 3. containsNone   - true if (∀x ∈ v then x ∉ l); false otherwise
// 2. containsNotAll - true if (∃x ∈ v such that x ∉ l); false otherwise
//
// ret_true - return true at end of loop for none/all; false for any/notall
// invert   - invert block test for all/notall
containsSomeFunc returns functions to implement each of the following : 1 . containsAll - true if ( ∀x ∈ v then x ∈ l ) ; false otherwise 2 . containsAny - true if ( ∃x ∈ v such that x ∈ l ) ; false otherwise 3 . containsNone - true if ( ∀x ∈ v then x ∉ l ) ; false otherwise 2 . containsNotAll - true if ( ∃x ∈ v such that x ∉ l ) ; false otherwise ret_true - return true at end of loop for none / all ; false for any / notall invert - invert block test for all / notall