go-by-test/iteration/iter.go

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package iteration
import "strings"
// Repeat takes a string and repeat it 5 times
func Repeat(s string, repeatTime int) string {
// // Bench: 170ns
// var res string
// for i := 0; i < repeatTime; i++ {
// res += s
// }
// return res
// Bench: 70ns
return strings.Repeat(s, repeatTime)
}