| 1 | import { IterableX } from './iterablex';
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| 2 | /**
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| 3 | * If the specified condition evaluates true, select the thenSource sequence.
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| 4 | * Otherwise, select the elseSource sequence.
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| 5 | *
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| 6 | * @export
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| 7 | * @template TSource The type of the elements in the result sequence.
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| 8 | * @param {(() => boolean)} condition Condition evaluated to decide which sequence to return.
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| 9 | * @param {Iterable<TSource>} thenSource Sequence returned in case evaluates true.
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| 10 | * @param {Iterable<TSource>} [elseSource=empty()] Sequence returned in case condition evaluates false.
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| 11 | * @returns {IterableX<TSource>} thenSource if condition evaluates true; elseSource otherwise.
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| 12 | */
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| 13 | export declare function iif<TSource>(fn: () => boolean, thenSource: Iterable<TSource>, elseSource?: Iterable<TSource>): IterableX<TSource>;
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