mirror of
https://github.com/prometheus/prometheus.git
synced 2024-12-28 06:59:40 -08:00
21e50a3f9d
Signed-off-by: jojohappy <sarahdj0917@gmail.com>
47 lines
1 KiB
Go
47 lines
1 KiB
Go
package reflect2
|
|
|
|
import (
|
|
"reflect"
|
|
"unsafe"
|
|
)
|
|
|
|
type UnsafePtrType struct {
|
|
unsafeType
|
|
}
|
|
|
|
func newUnsafePtrType(cfg *frozenConfig, type1 reflect.Type) *UnsafePtrType {
|
|
return &UnsafePtrType{
|
|
unsafeType: *newUnsafeType(cfg, type1),
|
|
}
|
|
}
|
|
|
|
func (type2 *UnsafePtrType) IsNil(obj interface{}) bool {
|
|
if obj == nil {
|
|
return true
|
|
}
|
|
objEFace := unpackEFace(obj)
|
|
assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype)
|
|
return type2.UnsafeIsNil(objEFace.data)
|
|
}
|
|
|
|
func (type2 *UnsafePtrType) UnsafeIsNil(ptr unsafe.Pointer) bool {
|
|
if ptr == nil {
|
|
return true
|
|
}
|
|
return *(*unsafe.Pointer)(ptr) == nil
|
|
}
|
|
|
|
func (type2 *UnsafePtrType) LikePtr() bool {
|
|
return true
|
|
}
|
|
|
|
func (type2 *UnsafePtrType) Indirect(obj interface{}) interface{} {
|
|
objEFace := unpackEFace(obj)
|
|
assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
|
|
return type2.UnsafeIndirect(objEFace.data)
|
|
}
|
|
|
|
func (type2 *UnsafePtrType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
|
|
return packEFace(type2.rtype, *(*unsafe.Pointer)(ptr))
|
|
}
|