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|
package version
import (
"strconv"
"strings"
)
type Version string
func (me Version) compareTo(other Version) int {
var (
meTab = strings.Split(string(me), ".")
otherTab = strings.Split(string(other), ".")
)
for i, s := range meTab {
var meInt, otherInt int
meInt, _ = strconv.Atoi(s)
if len(otherTab) > i {
otherInt, _ = strconv.Atoi(otherTab[i])
}
if meInt > otherInt {
return 1
}
if otherInt > meInt {
return -1
}
}
if len(otherTab) > len(meTab) {
return -1
}
return 0
}
func (me Version) LessThan(other Version) bool {
return me.compareTo(other) == -1
}
func (me Version) LessThanOrEqualTo(other Version) bool {
return me.compareTo(other) <= 0
}
func (me Version) GreaterThan(other Version) bool {
return me.compareTo(other) == 1
}
func (me Version) GreaterThanOrEqualTo(other Version) bool {
return me.compareTo(other) >= 0
}
func (me Version) Equal(other Version) bool {
return me.compareTo(other) == 0
}
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