avoid exp

Author: FGasper

internal/verifier/migration_verifier.go

@@ -26,14 +26,14 @@ import (
 	"github.com/olekukonko/tablewriter"
 	"github.com/pkg/errors"
 	"github.com/rs/zerolog"
+	"github.com/samber/lo"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/bson/primitive"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
 	"go.mongodb.org/mongo-driver/mongo/readconcern"
 	"go.mongodb.org/mongo-driver/mongo/readpref"
 	"go.mongodb.org/mongo-driver/mongo/writeconcern"
-	"golang.org/x/exp/maps"
 	"golang.org/x/sync/errgroup"
 )
 
@@ -755,7 +755,7 @@ func (verifier *Verifier) getShardingInfo(ctx context.Context, namespaceAndUUID
 
 		verifier.logger.Debug().Msgf("Collection %s is sharded with shard key %v", namespace, result.Key)
 
-		shardKeys = maps.Keys(result.Key)
+		shardKeys = lo.Keys(result.Key)
 		sort.Strings(shardKeys)
 	}
 	if err = cursor.Err(); err != nil {

internal/verifier/summary.go

@@ -7,6 +7,7 @@ package verifier
 import (
 	"context"
 	"fmt"
+	"sort"
 	"strconv"
 	"strings"
 	"time"
@@ -15,8 +16,6 @@ import (
 	"github.com/10gen/migration-verifier/internal/types"
 	"github.com/olekukonko/tablewriter"
 	"github.com/samber/lo"
-	"golang.org/x/exp/maps"
-	"golang.org/x/exp/slices"
 )
 
 const changeEventsTableMaxSize = 10
@@ -392,31 +391,23 @@ func (verifier *Verifier) printChangeEventStatistics(builder *strings.Builder) {
 		return
 	}
 
-	sortedNamespaces := maps.Keys(nsTotals)
-	slices.SortFunc(
-		sortedNamespaces,
-		func(ns1, ns2 string) int {
-			if nsTotals[ns1] < nsTotals[ns2] {
-				return 1
-			}
-
-			if nsTotals[ns1] > nsTotals[ns2] {
-				return -1
-			}
-
-			return 0
+	reverseSortedNamespaces := lo.Keys(nsTotals)
+	sort.Slice(
+		reverseSortedNamespaces,
+		func(i, j int) bool {
+			return reverseSortedNamespaces[i] > reverseSortedNamespaces[j]
 		},
 	)
 
 	// Only report the busiest namespaces.
-	if len(sortedNamespaces) > changeEventsTableMaxSize {
-		sortedNamespaces = sortedNamespaces[:changeEventsTableMaxSize]
+	if len(reverseSortedNamespaces) > changeEventsTableMaxSize {
+		reverseSortedNamespaces = reverseSortedNamespaces[:changeEventsTableMaxSize]
 	}
 
 	table := tablewriter.NewWriter(builder)
 	table.SetHeader([]string{"Namespace", "Insert", "Update", "Replace", "Delete", "Total"})
 
-	for _, ns := range sortedNamespaces {
+	for _, ns := range reverseSortedNamespaces {
 		curNsStats := nsStats[ns]
 
 		table.Append(