mirror of
https://github.com/vlang/v.git
synced 2025-08-03 17:57:59 -04:00
22 lines
759 B
V
22 lines
759 B
V
import arrays
|
|
|
|
type MyInt = int
|
|
|
|
fn test_main() {
|
|
assert arrays.fold[int, []int]([1, 2, 3, 4], []int{}, fn (r []int, t int) []int {
|
|
return arrays.merge(r, [t])
|
|
}) == [1, 2, 3, 4]
|
|
assert arrays.fold[string, []string](['a', 'b', 'c', 'd'], []string{}, fn (r []string, t string) []string {
|
|
return arrays.merge(r, [t])
|
|
}) == ['a', 'b', 'c', 'd']
|
|
assert arrays.fold[bool, []bool]([true, false], []bool{}, fn (r []bool, t bool) []bool {
|
|
return arrays.merge(r, [t])
|
|
}) == [false, true]
|
|
assert arrays.fold[MyInt, []MyInt]([MyInt(0), 1], []MyInt{}, fn (r []MyInt, t MyInt) []MyInt {
|
|
return arrays.merge(r, [t])
|
|
}) == [MyInt(0), 1]
|
|
assert arrays.fold([1, 2, 3, 4], [5, 6, 7], fn (r []int, t int) []int {
|
|
return r.map(it * t)
|
|
}) == [120, 144, 168]
|
|
}
|