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@walts81/linq-ts

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Typescript/Javascript LINQ implementation library

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declare global { interface Array<T> { singleOrDefault(this: Array<T>, expression?: (item: T, index?: number) => boolean, defaultValue?: T): T | null; } } export declare function singleOrDefault<T>(this: T[], expression?: (item: T, index?: number) => boolean, defaultValue?: T): T | null;