mirror of
https://github.com/XTLS/Xray-core.git
synced 2026-06-30 05:05:08 +00:00
74c726ff62
And https://github.com/XTLS/Xray-core/issues/5642#issuecomment-3840806246 --------- Co-authored-by: RPRX <63339210+RPRX@users.noreply.github.com>
17 lines
543 B
Go
17 lines
543 B
Go
package utils
|
|
|
|
import (
|
|
"reflect"
|
|
"unsafe"
|
|
)
|
|
|
|
// AccessField can used to access unexported field of a struct
|
|
// valueType must be the exact type of the field or it will panic
|
|
func AccessField[valueType any](obj any, fieldName string) *valueType {
|
|
field := reflect.ValueOf(obj).Elem().FieldByName(fieldName)
|
|
if field.Type() != reflect.TypeOf(*new(valueType)) {
|
|
panic("field type: " + field.Type().String() + ", valueType: " + reflect.TypeOf(*new(valueType)).String())
|
|
}
|
|
v := (*valueType)(unsafe.Pointer(field.UnsafeAddr()))
|
|
return v
|
|
}
|