| 1 | var padLeft = require('./table').padLeft
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| 2 |
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| 3 | var Printer = exports.Printer = function (name, format) {
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| 4 | return function (val, width) {
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| 5 | var s = name + ' ' + format(val)
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| 6 | return width == null
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| 7 | ? s
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| 8 | : padLeft(s, width)
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| 9 | }
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| 10 | }
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| 11 |
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| 12 |
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| 13 | exports.sum = function (sum, val) {
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| 14 | sum = sum || 0
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| 15 | return sum += val
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| 16 | }
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| 17 |
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| 18 | exports.sum.printer = Printer('\u2211', String)
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| 19 |
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| 20 |
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| 21 | exports.avg = function (sum, val, index, length) {
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| 22 | sum = sum || 0
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| 23 | sum += val
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| 24 | return index + 1 == length
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| 25 | ? sum / length
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| 26 | : sum
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| 27 | }
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| 28 |
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| 29 | exports.avg.printer = Printer('Avg:', String) |
| \ | No newline at end of file |