Days between dates: Difference between revisions
Added Go
Thundergnat (talk | contribs) (Remove bogus markup, Rearrange alphabetically, add perl 6 example) |
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daysbetween:between("2019-01-01", "2019-09-30").
272
</pre>
=={{header|Go}}==
<lang go>package main
import (
"fmt"
"log"
"time"
)
const layout = "2006-01-02" // template for time.Parse
// Parameters assumed to be in YYYY-MM-DD format.
func daysBetween(date1, date2 string) int {
t1, err := time.Parse(layout, date1)
check(err)
t2, err := time.Parse(layout, date2)
check(err)
days := int(t1.Sub(t2).Hours() / 24)
if days < 0 {
days = -days
}
return days
}
func check(err error) {
if err != nil {
log.Fatal(err)
}
}
func main() {
date1, date2 := "2019-01-01", "2019-09-30"
days := daysBetween(date1, date2)
fmt.Printf("There are %d days between %s and %s\n", days, date1, date2)
date1, date2 = "2015-12-31", "2016-09-30"
days = daysBetween(date1, date2)
fmt.Printf("There are %d days between %s and %s\n", days, date1, date2)
}</lang>
{{out}}
<pre>
There are 272 days between 2019-01-01 and 2019-09-30
There are 274 days between 2015-12-31 and 2016-09-30
</pre>
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