相当于python time.time（）-在golang中启动

Question

In python I can see how many seconds have elapsed during a specific process like,

started = time.time()
doProcess()
print(time.time()-started)

Whats the equivelent in golang?

Answer 1

Package time

func Since

func Since(t Time) Duration

Since returns the time elapsed since t. It is shorthand for time.Now().Sub(t).

Your Python example in Go:

package main

import (
    "fmt"
    "time"
)

func main() {
    started := time.Now()
    time.Sleep(1 * time.Second)
    fmt.Println(time.Since(started))
}

Output:

1s