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go - How to change a float64 number to uint64 in a right way?

package main

func main() {
    var n float64 = 6161047830682206209
    println(uint64(n))
}

The output will be:

6161047830682206208

It looks like that when float64 change to uint64, the fraction is discarded.

See Question&Answers more detail:os

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