code: func (fr *FileReport) computeCoveragePercentage() float64 {
  	coveredLoc := fr.locCovered()
  	notCoveredLoc := fr.locNotCovered()
  	totalLoc := coveredLoc + notCoveredLoc
  
  	if totalLoc == 0 {
  		return 0.0
  	}
  
  	return round(100.0*float64(coveredLoc)/float64(totalLoc), 2)
  }
docs: // computeCoveragePercentage returns the code coverage percentage of the file