Sets the initial result and execution value for all operations.
import Batch = require("nativescript-batch");
var b = Batch.newBatch(function(ctx) {
console.log("Result: " + ctx.result); // 23979
console.log("Value: " + ctx.value); // 23979
}).then(function(ctx) {
ctx.setResultAndValue(5979);
}).then(function(ctx) {
console.log("Result: " + ctx.result); // 5979
console.log("Value: " + ctx.value); // 5979
}).setResultAndValue(23979);
// 5979
var r = b.start();