func (file *GridFile) Size() (bytes int64) {
	file.m.Lock()
	bytes = file.doc.Length
	file.m.Unlock()
	return
}
func (file *GridFile) Size() (bytes int64) {
	file.m.Lock()
	bytes = file.doc.Length
	file.m.Unlock()
	return
}
func ( file * GridFile ) Size ( ) ( bytes int64 ) { file . m . Lock ( ) bytes = file . doc . Length file . m . Unlock ( ) return }
// Size returns the file size in bytes.
Size returns the file size in bytes .