34 lines
1.1 KiB
TypeScript
34 lines
1.1 KiB
TypeScript
/**
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* Creates an array of numbers progressing from `start` up to, but not including, `end`.
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*
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* @param {number} start - The starting number of the range (inclusive)
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* @param {number} end - The end number of the range (exclusive)
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* @param {number} step - The value to increment or decrement by
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* @returns {number[]} An array of numbers from start to end
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* @example
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* range(4)
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* // => [0, 1, 2, 3]
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*
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* range(1, 5)
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* // => [1, 2, 3, 4]
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*
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* range(0, 20, 5)
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* // => [0, 5, 10, 15]
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*/
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declare function range(start: number, end?: number, step?: number): number[];
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/**
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* Creates an array of numbers progressing from 0 up to, but not including, `end`.
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* Used internally when range is called as an iteratee.
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*
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* @param {number} end - The end of the range (exclusive)
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* @param {string|number} index - The index argument passed to the iteratee
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* @param {object} guard - The guard object passed to the iteratee
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* @returns {number[]} An array of numbers from 0 to end
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* @example
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* [1, 2, 3].map(range)
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* // => [[0], [0, 1], [0, 1, 2]]
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*/
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declare function range(end: number, index: string | number, guard: object): number[];
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export { range };
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