hugolib: Add missing GoDoc in pagination.go

diff --git a/hugolib/pagination.go b/hugolib/pagination.go
index 3f56872bb4736c6bcd2893f37f85c0a73df54400..e322ab5b33d277f14a2a1cff60b1edb447869688 100644 (file)
--- a/hugolib/pagination.go
+++ b/hugolib/pagination.go
@@ -26,6 +26,8 @@ import (
        "strings"
 )
 
+// Pager represents one of the elements in a paginator.
+// The number, starting on 1, represents its place.
 type Pager struct {
        number int
        *paginator
@@ -35,10 +37,12 @@ type paginatedElement interface {
        Len() int
 }
 
+// Len returns the number of pages in the list.
 func (p Pages) Len() int {
        return len(p)
 }
 
+// Len returns the number of pages in the page group.
 func (psg PagesGroup) Len() int {
        l := 0
        for _, pg := range psg {
@@ -234,8 +238,8 @@ func splitPageGroups(pageGroups PagesGroup, size int) []paginatedElement {
 
                var (
                        pg         PagesGroup
-                       key        interface{} = nil
-                       groupIndex             = -1
+                       key        interface{}
+                       groupIndex = -1
                )
 
                for k := low; k < high; k++ {