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feat: add ToPointers, FromPointer, FromPointers

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This commit is contained in:
dudaodong
2025-07-07 11:16:44 +08:00
parent 6307d624cb
commit a81403766f
4 changed files with 180 additions and 75 deletions
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64
convertor/convertor.go
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@@ -228,6 +228,42 @@ func ToPointer[T any](value T) *T {
return &value
}
// ToPointers convert a slice of values to a slice of pointers.
// Play: todo
func ToPointers[T any](values []T) []*T {
result := make([]*T, len(values))
for i := range values {
result[i] = &values[i]
}
return result
}
// FromPointer returns the value pointed to by the pointer.
// Play: todo
func FromPointer[T any](ptr *T) T {
if ptr == nil {
var zeroValue T
return zeroValue
}
return *ptr
}
// FromPointers convert a slice of pointers to a slice of values.
// Play: todo
func FromPointers[T any](pointers []*T) []T {
result := make([]T, len(pointers))
for i, ptr := range pointers {
if ptr == nil {
var zeroValue T
result[i] = zeroValue
} else {
result[i] = *ptr
}
}
return result
}
// ToMap convert a slice of structs to a map based on iteratee function.
// Play: https://go.dev/play/p/tVFy7E-t24l
func ToMap[T any, K comparable, V any](array []T, iteratee func(T) (K, V)) map[K]V {
@@ -406,15 +442,15 @@ func ToStdBase64(value any) string {
if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
return ""
}
switch value.(type) {
switch v := value.(type) {
case []byte:
return base64.StdEncoding.EncodeToString(value.([]byte))
return base64.StdEncoding.EncodeToString(v)
case string:
return base64.StdEncoding.EncodeToString([]byte(value.(string)))
return base64.StdEncoding.EncodeToString([]byte(v))
case error:
return base64.StdEncoding.EncodeToString([]byte(value.(error).Error()))
return base64.StdEncoding.EncodeToString([]byte(v.Error()))
default:
marshal, err := json.Marshal(value)
marshal, err := json.Marshal(v)
if err != nil {
return ""
}
@@ -428,15 +464,15 @@ func ToUrlBase64(value any) string {
if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
return ""
}
switch value.(type) {
switch v := value.(type) {
case []byte:
return base64.URLEncoding.EncodeToString(value.([]byte))
return base64.URLEncoding.EncodeToString(v)
case string:
return base64.URLEncoding.EncodeToString([]byte(value.(string)))
return base64.URLEncoding.EncodeToString([]byte(v))
case error:
return base64.URLEncoding.EncodeToString([]byte(value.(error).Error()))
return base64.URLEncoding.EncodeToString([]byte(v.Error()))
default:
marshal, err := json.Marshal(value)
marshal, err := json.Marshal(v)
if err != nil {
return ""
}
@@ -450,7 +486,7 @@ func ToRawStdBase64(value any) string {
if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
return ""
}
switch value.(type) {
switch v := value.(type) {
case []byte:
return base64.RawStdEncoding.EncodeToString(value.([]byte))
case string:
@@ -458,7 +494,7 @@ func ToRawStdBase64(value any) string {
case error:
return base64.RawStdEncoding.EncodeToString([]byte(value.(error).Error()))
default:
marshal, err := json.Marshal(value)
marshal, err := json.Marshal(v)
if err != nil {
return ""
}
@@ -472,7 +508,7 @@ func ToRawUrlBase64(value any) string {
if value == nil || (reflect.ValueOf(value).Kind() == reflect.Ptr && reflect.ValueOf(value).IsNil()) {
return ""
}
switch value.(type) {
switch v := value.(type) {
case []byte:
return base64.RawURLEncoding.EncodeToString(value.([]byte))
case string:
@@ -480,7 +516,7 @@ func ToRawUrlBase64(value any) string {
case error:
return base64.RawURLEncoding.EncodeToString([]byte(value.(error).Error()))
default:
marshal, err := json.Marshal(value)
marshal, err := json.Marshal(v)
if err != nil {
return ""
}