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26 lines
457 B
26 lines
457 B
var Chainsaw = require('chainsaw');
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function AddDo (sum) {
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return Chainsaw(function (saw) {
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this.add = function (n) {
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sum += n;
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saw.next();
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};
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this.do = function (cb) {
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saw.nest(cb, sum);
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};
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});
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}
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AddDo(0)
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.add(5)
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.add(10)
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.do(function (sum) {
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if (sum > 12) this.add(-10);
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})
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.do(function (sum) {
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console.log('Sum: ' + sum);
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})
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;
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