Function timeIt

Example

import {
	assertLessOrEqual as assertLe,
	assertGreaterOrEqual as assertGe,
} from "jsr:@std/assert"

const
	testFn = (a: number, b: number): number => { return a + b },
	delta_time = timeIt(testFn, 5, 10),
	log = `execution time: ${delta_time} ms`

assertGe(delta_time, 0) // computing a sum should take more than `0` milliseconds
assertLe(delta_time, 2) // computing a sum should take less than `2` milliseconds
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