--- /dev/null
+/** PURE_IMPORTS_START _util_ArgumentOutOfRangeError,_filter,_throwIfEmpty,_defaultIfEmpty,_take PURE_IMPORTS_END */
+import { ArgumentOutOfRangeError } from '../util/ArgumentOutOfRangeError';
+import { filter } from './filter';
+import { throwIfEmpty } from './throwIfEmpty';
+import { defaultIfEmpty } from './defaultIfEmpty';
+import { take } from './take';
+export function elementAt(index, defaultValue) {
+ if (index < 0) {
+ throw new ArgumentOutOfRangeError();
+ }
+ var hasDefaultValue = arguments.length >= 2;
+ return function (source) {
+ return source.pipe(filter(function (v, i) { return i === index; }), take(1), hasDefaultValue
+ ? defaultIfEmpty(defaultValue)
+ : throwIfEmpty(function () { return new ArgumentOutOfRangeError(); }));
+ };
+}
+//# sourceMappingURL=elementAt.js.map