func FormatText()

in benchstat/text.go [17:81]
56 lines of code
20 McCabe index (conditional complexity)

func FormatText(w io.Writer, tables []*Table) {
	var textTables [][]*textRow
	for _, t := range tables {
		textTables = append(textTables, toText(t))
	}

	var max []int
	for _, table := range textTables {
		for _, row := range table {
			if len(row.cols) == 1 {
				// Header row
				continue
			}
			for len(max) < len(row.cols) {
				max = append(max, 0)
			}
			for i, s := range row.cols {
				n := utf8.RuneCountInString(s)
				if max[i] < n {
					max[i] = n
				}
			}
		}
	}

	for i, table := range textTables {
		if i > 0 {
			fmt.Fprintf(w, "\n")
		}

		// headings
		row := table[0]
		for i, s := range row.cols {
			switch i {
			case 0:
				fmt.Fprintf(w, "%-*s", max[i], s)
			default:
				fmt.Fprintf(w, "  %-*s", max[i], s)
			case len(row.cols) - 1:
				fmt.Fprintf(w, "  %s\n", s)
			}
		}

		// data
		for _, row := range table[1:] {
			for i, s := range row.cols {
				switch {
				case len(row.cols) == 1:
					// Header row
					fmt.Fprint(w, s)
				case i == 0:
					fmt.Fprintf(w, "%-*s", max[i], s)
				default:
					if i == len(row.cols)-1 && len(s) > 0 && s[0] == '(' {
						// Left-align p value.
						fmt.Fprintf(w, "  %s", s)
						break
					}
					fmt.Fprintf(w, "  %*s", max[i], s)
				}
			}
			fmt.Fprintf(w, "\n")
		}
	}
}