16 lines
375 B
Go
16 lines
375 B
Go
|
package main
|
||
|
|
|
||
|
|
type groupFunc func(record) string
|
||
|
|
|
||
|
|
// domainGrouper groups by domain.
|
||
|
|
// but it keeps the other fields.
|
||
|
|
// for example: it returns pages as well, but you shouldn't use them.
|
||
|
|
// exercise: write a function that erases the unnecessary data.
|
||
|
|
func domainGrouper(r record) string {
|
||
|
|
return r.domain
|
||
|
|
}
|
||
|
|
|
||
|
|
func pageGrouper(r record) string {
|
||
|
|
return r.domain + r.page
|
||
|
|
}
|