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reflect: deprecate PtrTo

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Replace reflect.PtrTo with reflect.PointerTo

Fixes #59599

Change-Id: I49407193e2050543ef983cd637703acc682d9f51
This commit is contained in:
qiulaidongfeng 2023-07-18 19:40:32 +08:00
parent 28ca813a13
commit 7bc9ccf1dc
4 changed files with 5 additions and 2 deletions
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1
api/next/59599.txt Normal file
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@ -0,0 +1 @@
pkg reflect, func PtrTo //deprecated #59599

2
src/cmd/compile/internal/reflectdata/reflect.go
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@ -1224,7 +1224,7 @@ func writeType(t *types.Type) *obj.LSym {
keep := base.Ctxt.Flag_dynlink
if !keep && t.Sym() == nil {
// For an unnamed type, we only need the link if the type can
// be created at run time by reflect.PtrTo and similar
// be created at run time by reflect.PointerTo and similar
// functions. If the type exists in the program, those
// functions must return the existing type structure rather
// than creating a new one.

2
src/encoding/gob/decode.go
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@ -656,7 +656,7 @@ func (dec *Decoder) decodeSlice(state *decoderState, value reflect.Value, elemOp
errorf("%s slice too big: %d elements of %d bytes", typ.Elem(), u, size)
}
if value.Cap() < n {
safe := saferio.SliceCap(reflect.Zero(reflect.PtrTo(typ.Elem())).Interface(), uint64(n))
safe := saferio.SliceCap(reflect.Zero(reflect.PointerTo(typ.Elem())).Interface(), uint64(n))
if safe < 0 {
errorf("%s slice too big: %d elements of %d bytes", typ.Elem(), u, size)
}

2
src/reflect/type.go
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@ -1171,6 +1171,8 @@ var ptrMap sync.Map // map[*rtype]*ptrType
//
// PtrTo is the old spelling of PointerTo.
// The two functions behave identically.
//
// Deprecated: Superseded by [PointerTo].
func PtrTo(t Type) Type { return PointerTo(t) }
// PointerTo returns the pointer type with element t.