internal/byteslice: rename package unsafe

All functions left in the old package unsafe were provided byte slice
views of other types. Rename the package accordingly and avoid a name
clash with the standard library package unsafe.

Signed-off-by: Elias Naur <mail@eliasnaur.com>

internal/byteslice/byteslice.go

@@ -1,14 +1,16 @@
 // SPDX-License-Identifier: Unlicense OR MIT
 
-package unsafe
+// Package byteslice provides byte slice views of other Go values  such as
+// slices and structs.
+package byteslice
 
 import (
 	"reflect"
 	"unsafe"
 )
 
-// StructView returns a byte slice view of a struct.
-func StructView(s interface{}) []byte {
+// Struct returns a byte slice view of a struct.
+func Struct(s interface{}) []byte {
 	v := reflect.ValueOf(s).Elem()
 	sz := int(v.Type().Size())
 	var res []byte
@@ -19,8 +21,8 @@ func StructView(s interface{}) []byte {
 	return res
 }
 
-// BytesView returns a byte slice view of a slice.
-func BytesView(s interface{}) []byte {
+// Slice returns a byte slice view of a slice.
+func Slice(s interface{}) []byte {
 	v := reflect.ValueOf(s)
 	first := v.Index(0)
 	sz := int(first.Type().Size())

internal/srgb/srgb.go

@@ -7,8 +7,8 @@ import (
 	"runtime"
 	"strings"
 
+	"gioui.org/internal/byteslice"
 	"gioui.org/internal/gl"
-	"gioui.org/internal/unsafe"
 )
 
 // FBO implements an intermediate sRGB FBO
@@ -71,7 +71,7 @@ func (s *FBO) Blit() {
 		s.c.Uniform1i(s.c.GetUniformLocation(prog, "tex"), 0)
 		s.quad = s.c.CreateBuffer()
 		s.c.BindBuffer(gl.ARRAY_BUFFER, s.quad)
-		coords := unsafe.BytesView([]float32{
+		coords := byteslice.Slice([]float32{
 			-1, +1, 0, 1,
 			+1, +1, 1, 1,
 			-1, -1, 0, 0,