10 lines
234 B
TypeScript
10 lines
234 B
TypeScript
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/**
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* sum all numbers in an array
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* @param arr - arr of numbers
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* @returns sum of all numbers
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*/
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export const sum = (arr: number[]): number => {
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if (!arr || !arr.length) return 0;
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return arr.reduce((acc, n) => acc + n, 0);
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};
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