glog.go
func (l *Log) SetVFilepath(spec FilepathSpec) {
	l.mu.Lock()
	defer l.mu.Unlock()
	l.setVState(l.verbosity, nil, spec.filter, true)
}
func (l *Log) SetVFilepath(spec FilepathSpec) {
	l.mu.Lock()
	defer l.mu.Unlock()
	l.setVState(l.verbosity, nil, spec.filter, true)
}
func ( l * Log ) SetVFilepath ( spec FilepathSpec ) { l . mu . Lock ( ) defer l . mu . Unlock ( ) l . setVState ( l . verbosity , nil , spec . filter , true ) }
// SetModuleSpec sets the comma-separated list of pattern=N settings for
// file-filtered logging
SetModuleSpec sets the comma - separated list of pattern = N settings for file - filtered logging