typescript array in arrays

barisx answered on October 8, 2020 Popularity 10/10 Helpfulness 2/10

answer typescript array in arrays

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typescript array in arrays

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var listOfLists : number[][];
// or
const listOfLists : Array<Array<number>>;

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Source: stackoverflow.com

Tags: arrays typescript

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Contributed on Sep 21 2022

barisx

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typescript one of array

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function stringLiterals<T extends string>(...args: T[]): T[] { return args; }
type ElementType<T extends ReadonlyArray<unknown>> = T extends ReadonlyArray<infer ElementType> ? ElementType : never;

const values = stringLiterals('A', 'B');
type Foo = ElementType<typeof values>;

const v1: Foo = 'A' // This should work
const v2: Foo = 'D' // This should give me an error since 'D' doesn't exist in values

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Source: github.com

Tags: typescript t

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Contributed on Oct 08 2020

baruchiro

0 Answers Avg Quality 2/10

array in typescript

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let arraytest: any[] = [1, 2, 3]
console.log(arraytest)
/*
Output: [1, 2, 3]
or try this
*/
console.log([1, 2, 3])// clever trick

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: Grepper

Tags: typescript t

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Contributed on Jan 18 2022

Yucky Yak

0 Answers Avg Quality 2/10

typescript array in arrays

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