import tables, times, random
var
table = initTable[int, int]()
t1, t2: float
const loops = 10_000
randomize(1234)
t1 = cpuTime()
for _ in 0..<loops:
let i = random(high(int))
table.add(i, i)
echo "add ", cpuTime() - t1 # displays 0.002
randomize(1234)
t1 = cpuTime()
for _ in 0..<loops:
table.del(random(high(int)))
echo "del ", cpuTime() - t1 # displays 1.313