| 1 | // Copyright (c) Jupyter Development Team.
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| 2 | // Distributed under the terms of the Modified BSD License.
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| 3 | /*-----------------------------------------------------------------------------
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| 4 | | Copyright (c) 2014-2017, PhosphorJS Contributors
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| 5 | |
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| 6 | | Distributed under the terms of the BSD 3-Clause License.
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| 7 | |
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| 8 | | The full license is in the file LICENSE, distributed with this software.
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| 9 | |----------------------------------------------------------------------------*/
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| 10 |
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| 11 | /**
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| 12 | * Chain together several iterables.
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| 13 | *
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| 14 | * @deprecated
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| 15 | *
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| 16 | * @param objects - The iterable objects of interest.
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| 17 | *
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| 18 | * @returns An iterator which yields the values of the iterables
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| 19 | * in the order in which they are supplied.
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| 20 | *
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| 21 | * #### Example
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| 22 | * ```typescript
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| 23 | * import { chain } from '@lumino/algorithm';
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| 24 | *
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| 25 | * let data1 = [1, 2, 3];
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| 26 | * let data2 = [4, 5, 6];
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| 27 | *
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| 28 | * let stream = chain(data1, data2);
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| 29 | *
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| 30 | * Array.from(stream); // [1, 2, 3, 4, 5, 6]
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| 31 | * ```
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| 32 | */
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| 33 | export function* chain<T>(...objects: Iterable<T>[]): IterableIterator<T> {
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| 34 | for (const object of objects) {
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| 35 | yield* object;
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| 36 | }
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| 37 | }
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