reflect2

package
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 Go to latest Published: Jul 8, 2023 License: Apache-2.0, Apache-2.0 Imports: 4 Imported by: 0

README

reflect2

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reflect api that avoids runtime reflect.Value cost

  • reflect get/set interface{}, with type checking
  • reflect get/set unsafe.Pointer, without type checking
  • reflect2.TypeByName works like Class.forName found in java

json-iterator use this package to save runtime dispatching cost. This package is designed for low level libraries to optimize reflection performance. General application should still use reflect standard library.

reflect2.TypeByName

// given package is github.com/your/awesome-package
type MyStruct struct {
	// ...
}

// will return the type
reflect2.TypeByName("awesome-package.MyStruct")
// however, if the type has not been used
// it will be eliminated by compiler, so we can not get it in runtime

reflect2 get/set interface{}

valType := reflect2.TypeOf(1)
i := 1
j := 10
valType.Set(&i, &j)
// i will be 10

to get set type, always use its pointer *type

reflect2 get/set unsafe.Pointer

valType := reflect2.TypeOf(1)
i := 1
j := 10
valType.UnsafeSet(unsafe.Pointer(&i), unsafe.Pointer(&j))
// i will be 10

to get set type, always use its pointer *type

benchmark

Benchmark is not necessary for this package. It does nothing actually. As it is just a thin wrapper to make go runtime public. Both reflect2 and reflect call same function provided by runtime package exposed by go language.

unsafe safety

Instead of casting []byte to sliceHeader in your application using unsafe. We can use reflect2 instead. This way, if sliceHeader changes in the future, only reflect2 need to be upgraded.

reflect2 tries its best to keep the implementation same as reflect (by testing).

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var ConfigSafe = Config{UseSafeImplementation: true}.Froze()
View Source 
var ConfigUnsafe = Config{UseSafeImplementation: false}.Froze()

Functions

func IFaceToEFace 

func IFaceToEFace(ptr unsafe.Pointer) interface{}

func IsNil 

func IsNil(obj interface{}) bool

func IsNullable 

func IsNullable(kind reflect.Kind) bool

func NoEscape 

func NoEscape(p unsafe.Pointer) unsafe.Pointer

NoEscape hides a pointer from escape analysis. noescape is the identity function but escape analysis doesn't think the output depends on the input. noescape is inlined and currently compiles down to zero instructions. USE CAREFULLY!

func PtrOf 

func PtrOf(obj interface{}) unsafe.Pointer

func RTypeOf 

func RTypeOf(obj interface{}) uintptr

func UnsafeCastString 

func UnsafeCastString(str string) []byte

Types

type API 

type API interface {
	TypeOf(obj interface{}) Type
	Type2(type1 reflect.Type) Type
}

type ArrayType 

type ArrayType interface {
	ListType
	Len() int
}

type Config 

type Config struct {
	UseSafeImplementation bool
}

func (Config) Froze 

func (cfg Config) Froze() *frozenConfig

type InterfaceType 

type InterfaceType interface {
	NumMethod() int
}

type ListType 

type ListType interface {
	Type
	Elem() Type
	SetIndex(obj interface{}, index int, elem interface{})
	UnsafeSetIndex(obj unsafe.Pointer, index int, elem unsafe.Pointer)
	GetIndex(obj interface{}, index int) interface{}
	UnsafeGetIndex(obj unsafe.Pointer, index int) unsafe.Pointer
}

type MapIterator 

type MapIterator interface {
	HasNext() bool
	Next() (key interface{}, elem interface{})
	UnsafeNext() (key unsafe.Pointer, elem unsafe.Pointer)
}

type MapType 

type MapType interface {
	Type
	Key() Type
	Elem() Type
	MakeMap(cap int) interface{}
	UnsafeMakeMap(cap int) unsafe.Pointer
	SetIndex(obj interface{}, key interface{}, elem interface{})
	UnsafeSetIndex(obj unsafe.Pointer, key unsafe.Pointer, elem unsafe.Pointer)
	TryGetIndex(obj interface{}, key interface{}) (interface{}, bool)
	GetIndex(obj interface{}, key interface{}) interface{}
	UnsafeGetIndex(obj unsafe.Pointer, key unsafe.Pointer) unsafe.Pointer
	Iterate(obj interface{}) MapIterator
	UnsafeIterate(obj unsafe.Pointer) MapIterator
}

type PtrType 

type PtrType interface {
	Type
	Elem() Type
}

func TypeOfPtr 

func TypeOfPtr(obj interface{}) PtrType

type SliceType 

type SliceType interface {
	ListType
	MakeSlice(length int, cap int) interface{}
	UnsafeMakeSlice(length int, cap int) unsafe.Pointer
	Grow(obj interface{}, newLength int)
	UnsafeGrow(ptr unsafe.Pointer, newLength int)
	Append(obj interface{}, elem interface{})
	UnsafeAppend(obj unsafe.Pointer, elem unsafe.Pointer)
	LengthOf(obj interface{}) int
	UnsafeLengthOf(ptr unsafe.Pointer) int
	SetNil(obj interface{})
	UnsafeSetNil(ptr unsafe.Pointer)
	Cap(obj interface{}) int
	UnsafeCap(ptr unsafe.Pointer) int
}

type StructField 

type StructField interface {
	Offset() uintptr
	Name() string
	PkgPath() string
	Type() Type
	Tag() reflect.StructTag
	Index() []int
	Anonymous() bool
	Set(obj interface{}, value interface{})
	UnsafeSet(obj unsafe.Pointer, value unsafe.Pointer)
	Get(obj interface{}) interface{}
	UnsafeGet(obj unsafe.Pointer) unsafe.Pointer
}

type StructType 

type StructType interface {
	Type
	NumField() int
	Field(i int) StructField
	FieldByName(name string) StructField
	FieldByIndex(index []int) StructField
	FieldByNameFunc(match func(string) bool) StructField
}

type Type 

type Type interface {
	Kind() reflect.Kind
	// New return pointer to data of this type
	New() interface{}
	// UnsafeNew return the allocated space pointed by unsafe.Pointer
	UnsafeNew() unsafe.Pointer
	// PackEFace cast a unsafe pointer to object represented pointer
	PackEFace(ptr unsafe.Pointer) interface{}
	// Indirect dereference object represented pointer to this type
	Indirect(obj interface{}) interface{}
	// UnsafeIndirect dereference pointer to this type
	UnsafeIndirect(ptr unsafe.Pointer) interface{}
	// Type1 returns reflect.Type
	Type1() reflect.Type
	Implements(thatType Type) bool
	String() string
	RType() uintptr
	// interface{} of this type has pointer like behavior
	LikePtr() bool
	IsNullable() bool
	IsNil(obj interface{}) bool
	UnsafeIsNil(ptr unsafe.Pointer) bool
	Set(obj interface{}, val interface{})
	UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer)
	AssignableTo(anotherType Type) bool
}

func DefaultTypeOfKind 

func DefaultTypeOfKind(kind reflect.Kind) Type

DefaultTypeOfKind return the non aliased default type for the kind

func PtrTo 

func PtrTo(typ Type) Type

func Type2 

func Type2(type1 reflect.Type) Type

func TypeByName 

func TypeByName(typeName string) Type

TypeByName return the type by its name, just like Class.forName in java

func TypeByPackageName 

func TypeByPackageName(pkgPath string, name string) Type

TypeByPackageName return the type by its package and name

func TypeOf 

func TypeOf(obj interface{}) Type

type UnsafeArrayType 

type UnsafeArrayType struct {
	// contains filtered or unexported fields
}

func (*UnsafeArrayType) GetIndex 

func (type2 *UnsafeArrayType) GetIndex(obj interface{}, index int) interface{}

func (*UnsafeArrayType) Indirect 

func (type2 *UnsafeArrayType) Indirect(obj interface{}) interface{}

func (*UnsafeArrayType) IsNil 

func (type2 *UnsafeArrayType) IsNil(obj interface{}) bool

func (*UnsafeArrayType) LikePtr 

func (type2 *UnsafeArrayType) LikePtr() bool

func (*UnsafeArrayType) New 

func (type2 *UnsafeArrayType) New() interface{}

func (*UnsafeArrayType) PackEFace 

func (type2 *UnsafeArrayType) PackEFace(ptr unsafe.Pointer) interface{}

func (*UnsafeArrayType) RType 

func (type2 *UnsafeArrayType) RType() uintptr

func (*UnsafeArrayType) Set 

func (type2 *UnsafeArrayType) Set(obj interface{}, val interface{})

func (*UnsafeArrayType) SetIndex 

func (type2 *UnsafeArrayType) SetIndex(obj interface{}, index int, elem interface{})

func (*UnsafeArrayType) UnsafeGetIndex 

func (type2 *UnsafeArrayType) UnsafeGetIndex(obj unsafe.Pointer, index int) unsafe.Pointer

func (*UnsafeArrayType) UnsafeIndirect 

func (type2 *UnsafeArrayType) UnsafeIndirect(ptr unsafe.Pointer) interface{}

func (*UnsafeArrayType) UnsafeIsNil 

func (type2 *UnsafeArrayType) UnsafeIsNil(ptr unsafe.Pointer) bool

func (*UnsafeArrayType) UnsafeNew 

func (type2 *UnsafeArrayType) UnsafeNew() unsafe.Pointer

func (*UnsafeArrayType) UnsafeSet 

func (type2 *UnsafeArrayType) UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer)

func (*UnsafeArrayType) UnsafeSetIndex 

func (type2 *UnsafeArrayType) UnsafeSetIndex(obj unsafe.Pointer, index int, elem unsafe.Pointer)

type UnsafeEFaceType 

type UnsafeEFaceType struct {
	// contains filtered or unexported fields
}

func (*UnsafeEFaceType) Indirect 

func (type2 *UnsafeEFaceType) Indirect(obj interface{}) interface{}

func (*UnsafeEFaceType) IsNil 

func (type2 *UnsafeEFaceType) IsNil(obj interface{}) bool

func (*UnsafeEFaceType) LikePtr 

func (type2 *UnsafeEFaceType) LikePtr() bool

func (*UnsafeEFaceType) New 

func (type2 *UnsafeEFaceType) New() interface{}

func (*UnsafeEFaceType) PackEFace 

func (type2 *UnsafeEFaceType) PackEFace(ptr unsafe.Pointer) interface{}

func (*UnsafeEFaceType) RType 

func (type2 *UnsafeEFaceType) RType() uintptr

func (*UnsafeEFaceType) Set 

func (type2 *UnsafeEFaceType) Set(obj interface{}, val interface{})

func (*UnsafeEFaceType) UnsafeIndirect 

func (type2 *UnsafeEFaceType) UnsafeIndirect(ptr unsafe.Pointer) interface{}

func (*UnsafeEFaceType) UnsafeIsNil 

func (type2 *UnsafeEFaceType) UnsafeIsNil(ptr unsafe.Pointer) bool

func (*UnsafeEFaceType) UnsafeNew 

func (type2 *UnsafeEFaceType) UnsafeNew() unsafe.Pointer

func (*UnsafeEFaceType) UnsafeSet 

func (type2 *UnsafeEFaceType) UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer)

type UnsafeIFaceType 

type UnsafeIFaceType struct {
	// contains filtered or unexported fields
}

func (*UnsafeIFaceType) Indirect 

func (type2 *UnsafeIFaceType) Indirect(obj interface{}) interface{}

func (*UnsafeIFaceType) IsNil 

func (type2 *UnsafeIFaceType) IsNil(obj interface{}) bool

func (*UnsafeIFaceType) LikePtr 

func (type2 *UnsafeIFaceType) LikePtr() bool

func (*UnsafeIFaceType) New 

func (type2 *UnsafeIFaceType) New() interface{}

func (*UnsafeIFaceType) PackEFace 

func (type2 *UnsafeIFaceType) PackEFace(ptr unsafe.Pointer) interface{}

func (*UnsafeIFaceType) RType 

func (type2 *UnsafeIFaceType) RType() uintptr

func (*UnsafeIFaceType) Set 

func (type2 *UnsafeIFaceType) Set(obj interface{}, val interface{})

func (*UnsafeIFaceType) UnsafeIndirect 

func (type2 *UnsafeIFaceType) UnsafeIndirect(ptr unsafe.Pointer) interface{}

func (*UnsafeIFaceType) UnsafeIsNil 

func (type2 *UnsafeIFaceType) UnsafeIsNil(ptr unsafe.Pointer) bool

func (*UnsafeIFaceType) UnsafeNew 

func (type2 *UnsafeIFaceType) UnsafeNew() unsafe.Pointer

func (*UnsafeIFaceType) UnsafeSet 

func (type2 *UnsafeIFaceType) UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer)

type UnsafeMapIterator 

type UnsafeMapIterator struct {
	// contains filtered or unexported fields
}

func (*UnsafeMapIterator) HasNext 

func (iter *UnsafeMapIterator) HasNext() bool

func (*UnsafeMapIterator) Next 

func (iter *UnsafeMapIterator) Next() (interface{}, interface{})

func (*UnsafeMapIterator) UnsafeNext 

func (iter *UnsafeMapIterator) UnsafeNext() (unsafe.Pointer, unsafe.Pointer)

type UnsafeMapType 

type UnsafeMapType struct {
	// contains filtered or unexported fields
}

func (*UnsafeMapType) GetIndex 

func (type2 *UnsafeMapType) GetIndex(obj interface{}, key interface{}) interface{}

func (*UnsafeMapType) Indirect 

func (type2 *UnsafeMapType) Indirect(obj interface{}) interface{}

func (*UnsafeMapType) IsNil 

func (type2 *UnsafeMapType) IsNil(obj interface{}) bool

func (*UnsafeMapType) Iterate 

func (type2 *UnsafeMapType) Iterate(obj interface{}) MapIterator

func (*UnsafeMapType) Key 

func (type2 *UnsafeMapType) Key() Type

func (*UnsafeMapType) LikePtr 

func (type2 *UnsafeMapType) LikePtr() bool

func (*UnsafeMapType) MakeMap 

func (type2 *UnsafeMapType) MakeMap(cap int) interface{}

func (*UnsafeMapType) New 

func (type2 *UnsafeMapType) New() interface{}

func (*UnsafeMapType) PackEFace 

func (type2 *UnsafeMapType) PackEFace(ptr unsafe.Pointer) interface{}

func (*UnsafeMapType) RType 

func (type2 *UnsafeMapType) RType() uintptr

func (*UnsafeMapType) Set 

func (type2 *UnsafeMapType) Set(obj interface{}, val interface{})

func (*UnsafeMapType) SetIndex 

func (type2 *UnsafeMapType) SetIndex(obj interface{}, key interface{}, elem interface{})

func (*UnsafeMapType) TryGetIndex 

func (type2 *UnsafeMapType) TryGetIndex(obj interface{}, key interface{}) (interface{}, bool)

func (*UnsafeMapType) UnsafeGetIndex 

func (type2 *UnsafeMapType) UnsafeGetIndex(obj unsafe.Pointer, key unsafe.Pointer) unsafe.Pointer

func (*UnsafeMapType) UnsafeIndirect 

func (type2 *UnsafeMapType) UnsafeIndirect(ptr unsafe.Pointer) interface{}

func (*UnsafeMapType) UnsafeIsNil 

func (type2 *UnsafeMapType) UnsafeIsNil(ptr unsafe.Pointer) bool

func (*UnsafeMapType) UnsafeIterate 

func (type2 *UnsafeMapType) UnsafeIterate(obj unsafe.Pointer) MapIterator

func (*UnsafeMapType) UnsafeMakeMap 

func (type2 *UnsafeMapType) UnsafeMakeMap(cap int) unsafe.Pointer

func (*UnsafeMapType) UnsafeNew 

func (type2 *UnsafeMapType) UnsafeNew() unsafe.Pointer

func (*UnsafeMapType) UnsafeSet 

func (type2 *UnsafeMapType) UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer)

func (*UnsafeMapType) UnsafeSetIndex 

func (type2 *UnsafeMapType) UnsafeSetIndex(obj unsafe.Pointer, key unsafe.Pointer, elem unsafe.Pointer)

type UnsafePtrType 

type UnsafePtrType struct {
	// contains filtered or unexported fields
}

func (*UnsafePtrType) Indirect 

func (type2 *UnsafePtrType) Indirect(obj interface{}) interface{}

func (*UnsafePtrType) IsNil 

func (type2 *UnsafePtrType) IsNil(obj interface{}) bool

func (*UnsafePtrType) LikePtr 

func (type2 *UnsafePtrType) LikePtr() bool

func (*UnsafePtrType) New 

func (type2 *UnsafePtrType) New() interface{}

func (*UnsafePtrType) PackEFace 

func (type2 *UnsafePtrType) PackEFace(ptr unsafe.Pointer) interface{}

func (*UnsafePtrType) RType 

func (type2 *UnsafePtrType) RType() uintptr

func (*UnsafePtrType) Set 

func (type2 *UnsafePtrType) Set(obj interface{}, val interface{})

func (*UnsafePtrType) UnsafeIndirect 

func (type2 *UnsafePtrType) UnsafeIndirect(ptr unsafe.Pointer) interface{}

func (*UnsafePtrType) UnsafeIsNil 

func (type2 *UnsafePtrType) UnsafeIsNil(ptr unsafe.Pointer) bool

func (*UnsafePtrType) UnsafeNew 

func (type2 *UnsafePtrType) UnsafeNew() unsafe.Pointer

func (*UnsafePtrType) UnsafeSet 

func (type2 *UnsafePtrType) UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer)

type UnsafeSliceType 

type UnsafeSliceType struct {
	// contains filtered or unexported fields
}

func (*UnsafeSliceType) Append 

func (type2 *UnsafeSliceType) Append(obj interface{}, elem interface{})

func (*UnsafeSliceType) Cap 

func (type2 *UnsafeSliceType) Cap(obj interface{}) int

func (*UnsafeSliceType) GetIndex 

func (type2 *UnsafeSliceType) GetIndex(obj interface{}, index int) interface{}

func (*UnsafeSliceType) Grow 

func (type2 *UnsafeSliceType) Grow(obj interface{}, newLength int)

func (*UnsafeSliceType) Indirect 

func (type2 *UnsafeSliceType) Indirect(obj interface{}) interface{}

func (*UnsafeSliceType) IsNil 

func (type2 *UnsafeSliceType) IsNil(obj interface{}) bool

func (*UnsafeSliceType) LengthOf 

func (type2 *UnsafeSliceType) LengthOf(obj interface{}) int

func (*UnsafeSliceType) LikePtr 

func (type2 *UnsafeSliceType) LikePtr() bool

func (*UnsafeSliceType) MakeSlice 

func (type2 *UnsafeSliceType) MakeSlice(length int, cap int) interface{}

func (*UnsafeSliceType) New 

func (type2 *UnsafeSliceType) New() interface{}

func (*UnsafeSliceType) PackEFace 

func (type2 *UnsafeSliceType) PackEFace(ptr unsafe.Pointer) interface{}

func (*UnsafeSliceType) RType 

func (type2 *UnsafeSliceType) RType() uintptr

func (*UnsafeSliceType) Set 

func (type2 *UnsafeSliceType) Set(obj interface{}, val interface{})

func (*UnsafeSliceType) SetIndex 

func (type2 *UnsafeSliceType) SetIndex(obj interface{}, index int, elem interface{})

func (*UnsafeSliceType) SetNil 

func (type2 *UnsafeSliceType) SetNil(obj interface{})

func (*UnsafeSliceType) UnsafeAppend 

func (type2 *UnsafeSliceType) UnsafeAppend(obj unsafe.Pointer, elem unsafe.Pointer)

func (*UnsafeSliceType) UnsafeCap 

func (type2 *UnsafeSliceType) UnsafeCap(ptr unsafe.Pointer) int

func (*UnsafeSliceType) UnsafeGetIndex 

func (type2 *UnsafeSliceType) UnsafeGetIndex(obj unsafe.Pointer, index int) unsafe.Pointer

func (*UnsafeSliceType) UnsafeGrow 

func (type2 *UnsafeSliceType) UnsafeGrow(obj unsafe.Pointer, newLength int)

func (*UnsafeSliceType) UnsafeIndirect 

func (type2 *UnsafeSliceType) UnsafeIndirect(obj unsafe.Pointer) interface{}

func (*UnsafeSliceType) UnsafeIsNil 

func (type2 *UnsafeSliceType) UnsafeIsNil(ptr unsafe.Pointer) bool

func (*UnsafeSliceType) UnsafeLengthOf 

func (type2 *UnsafeSliceType) UnsafeLengthOf(obj unsafe.Pointer) int

func (*UnsafeSliceType) UnsafeMakeSlice 

func (type2 *UnsafeSliceType) UnsafeMakeSlice(length int, cap int) unsafe.Pointer

func (*UnsafeSliceType) UnsafeNew 

func (type2 *UnsafeSliceType) UnsafeNew() unsafe.Pointer

func (*UnsafeSliceType) UnsafeSet 

func (type2 *UnsafeSliceType) UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer)

func (*UnsafeSliceType) UnsafeSetIndex 

func (type2 *UnsafeSliceType) UnsafeSetIndex(obj unsafe.Pointer, index int, elem unsafe.Pointer)

func (*UnsafeSliceType) UnsafeSetNil 

func (type2 *UnsafeSliceType) UnsafeSetNil(ptr unsafe.Pointer)

type UnsafeStructField 

type UnsafeStructField struct {
	reflect.StructField
	// contains filtered or unexported fields
}

func (*UnsafeStructField) Anonymous 

func (field *UnsafeStructField) Anonymous() bool

func (*UnsafeStructField) Get 

func (field *UnsafeStructField) Get(obj interface{}) interface{}

func (*UnsafeStructField) Index 

func (field *UnsafeStructField) Index() []int

func (*UnsafeStructField) Name 

func (field *UnsafeStructField) Name() string

func (*UnsafeStructField) Offset 

func (field *UnsafeStructField) Offset() uintptr

func (*UnsafeStructField) PkgPath 

func (field *UnsafeStructField) PkgPath() string

func (*UnsafeStructField) Set 

func (field *UnsafeStructField) Set(obj interface{}, value interface{})

func (*UnsafeStructField) Tag 

func (field *UnsafeStructField) Tag() reflect.StructTag

func (*UnsafeStructField) Type 

func (field *UnsafeStructField) Type() Type

func (*UnsafeStructField) UnsafeGet 

func (field *UnsafeStructField) UnsafeGet(obj unsafe.Pointer) unsafe.Pointer

func (*UnsafeStructField) UnsafeSet 

func (field *UnsafeStructField) UnsafeSet(obj unsafe.Pointer, value unsafe.Pointer)

type UnsafeStructType 

type UnsafeStructType struct {
	// contains filtered or unexported fields
}

func (*UnsafeStructType) Field 

func (type2 *UnsafeStructType) Field(i int) StructField

func (*UnsafeStructType) FieldByIndex 

func (type2 *UnsafeStructType) FieldByIndex(index []int) StructField

func (*UnsafeStructType) FieldByName 

func (type2 *UnsafeStructType) FieldByName(name string) StructField

func (*UnsafeStructType) FieldByNameFunc 

func (type2 *UnsafeStructType) FieldByNameFunc(match func(string) bool) StructField

func (*UnsafeStructType) Indirect 

func (type2 *UnsafeStructType) Indirect(obj interface{}) interface{}

func (*UnsafeStructType) IsNil 

func (type2 *UnsafeStructType) IsNil(obj interface{}) bool

func (*UnsafeStructType) LikePtr 

func (type2 *UnsafeStructType) LikePtr() bool

func (*UnsafeStructType) New 

func (type2 *UnsafeStructType) New() interface{}

func (*UnsafeStructType) PackEFace 

func (type2 *UnsafeStructType) PackEFace(ptr unsafe.Pointer) interface{}

func (*UnsafeStructType) RType 

func (type2 *UnsafeStructType) RType() uintptr

func (*UnsafeStructType) Set 

func (type2 *UnsafeStructType) Set(obj interface{}, val interface{})

func (*UnsafeStructType) UnsafeIndirect 

func (type2 *UnsafeStructType) UnsafeIndirect(ptr unsafe.Pointer) interface{}

func (*UnsafeStructType) UnsafeIsNil 

func (type2 *UnsafeStructType) UnsafeIsNil(ptr unsafe.Pointer) bool

func (*UnsafeStructType) UnsafeNew 

func (type2 *UnsafeStructType) UnsafeNew() unsafe.Pointer

func (*UnsafeStructType) UnsafeSet 

func (type2 *UnsafeStructType) UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer)

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