Overlap

Overlap(start1 time.Time, end1 time.Time, start2 time.Time, end2 time.Time) bool

Overlap - returns true if two date intervals overlap.

package main

import (
    "github.com/Goldziher/go-utils/dateutils"
    "time"
)

func main() {
    s1, _ := time.Parse("2006-01-02", "2022-12-28")
    e1, _ := time.Parse("2006-01-02", "2022-12-31")

    s2, _ := time.Parse("2006-01-02", "2022-12-30")
    e2, _ := time.Parse("2006-01-02", "2023-01-01")

    s3, _ := time.Parse("2006-01-02", "2023-01-02")
    e3, _ := time.Parse("2006-01-02", "2023-01-04")

    dateutils.Overlap(s1, e1, s2, e2) // true
    dateutils.Overlap(s1, e1, s3, e3) // false
}