peridot/vendor/github.com/modern-go/reflect2/unsafe_ptr.go

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2022-07-07 20:11:50 +00:00
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))
}