update phony, add mobile versions of util bytes functions that don't try to store anything

src/util/bytes_mobile.go

@@ -0,0 +1,13 @@
+//+build mobile
+
+package util
+
+// On mobile, just return a nil slice.
+func GetBytes() []byte {
+	return nil
+}
+
+// On mobile, don't do anything.
+func PutBytes(bs []byte) {
+	return
+}

src/util/bytes_other.go

@@ -0,0 +1,18 @@
+//+build !mobile
+
+package util
+
+import "sync"
+
+// This is used to buffer recently used slices of bytes, to prevent allocations in the hot loops.
+var byteStore = sync.Pool{New: func() interface{} { return []byte(nil) }}
+
+// Gets an empty slice from the byte store.
+func GetBytes() []byte {
+	return byteStore.Get().([]byte)[:0]
+}
+
+// Puts a slice in the store.
+func PutBytes(bs []byte) {
+	byteStore.Put(bs)
+}

src/util/util.go

@@ -6,7 +6,6 @@ import (
 	"runtime"
 	"strconv"
 	"strings"
-	"sync"
 	"time"
 )
 
@@ -25,19 +24,6 @@ func UnlockThread() {
 	runtime.UnlockOSThread()
 }
 
-// This is used to buffer recently used slices of bytes, to prevent allocations in the hot loops.
-var byteStore = sync.Pool{New: func() interface{} { return []byte(nil) }}
-
-// Gets an empty slice from the byte store.
-func GetBytes() []byte {
-	return byteStore.Get().([]byte)[:0]
-}
-
-// Puts a slice in the store.
-func PutBytes(bs []byte) {
-	byteStore.Put(bs)
-}
-
 // Gets a slice of the appropriate length, reusing existing slice capacity when possible
 func ResizeBytes(bs []byte, length int) []byte {
 	if cap(bs) >= length {