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mirror of https://github.com/duke-git/lancet.git synced 2026-02-04 12:52:28 +08:00

merge main branch

This commit is contained in:
dudaodong
2022-01-26 17:47:57 +08:00
parent efdf36a817
commit 70077a6010
2 changed files with 1 additions and 43 deletions

View File

@@ -315,34 +315,6 @@ func FindLast[T any](slice []T, predicate func(index int, t T) bool) (*T, bool)
return &slice[index], true
}
// FindLast iterates over elements of slice from end to begin, returning the first one that passes a truth test on function.
// The function signature should be func(index int, value interface{}) bool .
func FindLast(slice, function interface{}) (interface{}, bool) {
sv := sliceValue(slice)
fn := functionValue(function)
elemType := sv.Type().Elem()
if checkSliceCallbackFuncSignature(fn, elemType, reflect.ValueOf(true).Type()) {
panic("function param should be of type func(int, " + elemType.String() + ")" + reflect.ValueOf(true).Type().String())
}
index := -1
for i := sv.Len() - 1; i >= 0; i-- {
flag := fn.Call([]reflect.Value{reflect.ValueOf(i), sv.Index(i)})[0]
if flag.Bool() {
index = i
break
}
}
if index == -1 {
var none interface{}
return none, false
}
return sv.Index(index).Interface(), true
}
// FlattenDeep flattens slice recursive
func FlattenDeep(slice interface{}) interface{} {
sv := sliceValue(slice)

View File

@@ -166,20 +166,6 @@ func TestFind(t *testing.T) {
assert.Equal(2, *res)
}
func TestFindLast(t *testing.T) {
nums := []int{2, 3, 4, 5}
even := func(i, num int) bool {
return num%2 == 0
}
res, ok := FindLast(nums, even)
if !ok {
t.Fatal("found nothing")
}
assert := internal.NewAssert(t, "TestFindLast")
assert.Equal(4, *res)
}
func TestFindLast(t *testing.T) {
nums := []int{1, 2, 3, 4, 5}
even := func(i, num int) bool {
@@ -191,7 +177,7 @@ func TestFindLast(t *testing.T) {
}
assert := internal.NewAssert(t, "TestFindLast")
assert.Equal(4, res)
assert.Equal(4, *res)
}
func TestFindFoundNothing(t *testing.T) {