Function cartesianProduct

Example

const sizes = ['S', 'M'] as const;

const colors = ['red', 'blue'] as const;

const combinations = Arr.cartesianProduct([sizes, colors]);

const expectedCombinations = [
  ['S', 'red'],
  ['S', 'blue'],
  ['M', 'red'],
  ['M', 'blue'],
] as const;

assert.deepStrictEqual(combinations, expectedCombinations);
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