17 lines
440 B
TypeScript
17 lines
440 B
TypeScript
/**
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* Calculates the average of an array of numbers.
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*
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* If the array is empty, this function returns `NaN`.
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*
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* @param {number[]} nums - An array of numbers to calculate the average.
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* @returns {number} The average of all the numbers in the array.
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*
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* @example
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* const numbers = [1, 2, 3, 4, 5];
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* const result = mean(numbers);
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* // result will be 3
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*/
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declare function mean(nums: readonly number[]): number;
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export { mean };
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