func (file *GridFile) SetName(name string) {
	file.assertMode(gfsWriting)
	file.m.Lock()
	file.doc.Filename = name
	file.m.Unlock()
}
func (file *GridFile) SetName(name string) {
	file.assertMode(gfsWriting)
	file.m.Lock()
	file.doc.Filename = name
	file.m.Unlock()
}
func ( file * GridFile ) SetName ( name string ) { file . assertMode ( gfsWriting ) file . m . Lock ( ) file . doc . Filename = name file . m . Unlock ( ) }
// SetName changes the optional file name.  An empty string may be used to
// unset it.
//
// It is a runtime error to call this function when the file is not open
// for writing.
SetName changes the optional file name . An empty string may be used to unset it . It is a runtime error to call this function when the file is not open for writing .