Updates for text streaming functions

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>

vendor/github.com/google/go-cmp/cmp/internal/value/pointer.go

@@ -2,9 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !purego
-// +build !purego
-
 package value
 
 import (

vendor/github.com/google/go-cmp/cmp/internal/value/pointer_purego.go

@@ -1,34 +0,0 @@
-// Copyright 2018, The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build purego
-// +build purego
-
-package value
-
-import "reflect"
-
-// Pointer is an opaque typed pointer and is guaranteed to be comparable.
-type Pointer struct {
-	p uintptr
-	t reflect.Type
-}
-
-// PointerOf returns a Pointer from v, which must be a
-// reflect.Ptr, reflect.Slice, or reflect.Map.
-func PointerOf(v reflect.Value) Pointer {
-	// NOTE: Storing a pointer as an uintptr is technically incorrect as it
-	// assumes that the GC implementation does not use a moving collector.
-	return Pointer{v.Pointer(), v.Type()}
-}
-
-// IsNil reports whether the pointer is nil.
-func (p Pointer) IsNil() bool {
-	return p.p == 0
-}
-
-// Uintptr returns the pointer as a uintptr.
-func (p Pointer) Uintptr() uintptr {
-	return p.p
-}