package main

import (
	"fmt"
	"time"
)

func main() {
	// invalid?
	d, err := time.ParseDuration("52763797000ns")
	print(d, err)

	// valid
	d, err = time.ParseDuration("52763797.000us")
	print(d, err)

	// invalid?
	d, err = time.ParseDuration("5276300000us")
	print(d, err)

	// valid
	d, err = time.ParseDuration("5276300.000ms")
	print(d, err)

}

func print(d time.Duration, err error) {
	fmt.Println(d, err, "\n")
}