mirror of
https://github.com/duke-git/lancet.git
synced 2026-02-04 12:52:28 +08:00
feat: add ReverseCopy
This commit is contained in:
@@ -1002,7 +1002,19 @@ func Reverse[T any](slice []T) {
|
||||
}
|
||||
}
|
||||
|
||||
// Shuffle the slice.
|
||||
// ReverseCopy return a new slice of element order is reversed to the given slice.
|
||||
// Play: todo
|
||||
func ReverseCopy[T any](slice []T) []T {
|
||||
result := make([]T, len(slice))
|
||||
|
||||
for i, j := 0, len(slice)-1; i < len(slice); i, j = i+1, j-1 {
|
||||
result[i] = slice[j]
|
||||
}
|
||||
|
||||
return result
|
||||
}
|
||||
|
||||
// Shuffle return a new slice with elements shuffled.
|
||||
// Play: https://go.dev/play/p/YHvhnWGU3Ge
|
||||
func Shuffle[T any](slice []T) []T {
|
||||
rand.Seed(time.Now().UnixNano())
|
||||
|
||||
@@ -937,6 +937,19 @@ func ExampleReverse() {
|
||||
// [d c b a]
|
||||
}
|
||||
|
||||
func ExampleReverseCopy() {
|
||||
strs := []string{"a", "b", "c", "d"}
|
||||
|
||||
reversedStrs := ReverseCopy(strs)
|
||||
|
||||
fmt.Println(reversedStrs)
|
||||
fmt.Println(strs)
|
||||
|
||||
// Output:
|
||||
// [d c b a]
|
||||
// [a b c d]
|
||||
}
|
||||
|
||||
func ExampleIsAscending() {
|
||||
|
||||
result1 := IsAscending([]int{1, 2, 3, 4, 5})
|
||||
|
||||
@@ -1114,6 +1114,17 @@ func TestReverse(t *testing.T) {
|
||||
assert.Equal([]string{"e", "d", "c", "b", "a"}, s2)
|
||||
}
|
||||
|
||||
func TestReverseCopy(t *testing.T) {
|
||||
t.Parallel()
|
||||
assert := internal.NewAssert(t, "TestReverseCopy")
|
||||
|
||||
numbers := []int{1, 2, 3, 4, 5}
|
||||
reversedNumbers := ReverseCopy(numbers)
|
||||
|
||||
assert.Equal([]int{5, 4, 3, 2, 1}, reversedNumbers)
|
||||
assert.Equal([]int{1, 2, 3, 4, 5}, numbers)
|
||||
}
|
||||
|
||||
func TestDifference(t *testing.T) {
|
||||
t.Parallel()
|
||||
|
||||
|
||||
Reference in New Issue
Block a user