readme: fix group.Of using

Author: m4gshm

README.md

@@ -163,7 +163,7 @@ import (
     "github.com/m4gshm/gollections/slice/group"
 )
 
-var ageGroups = group.Of(users, func(u User) string {
+var ageGroups map[string][]User = group.Of(users, func(u User) string {
     return use.If(u.age <= 20, "<=20").If(u.age <= 30, "<=30").Else(">30")
 }, as.Is)
 
@@ -519,10 +519,11 @@ var one = range_.Closed(1, 1).Slice()            //[]int{1}
 import (
     "github.com/m4gshm/gollections/convert/as"
     "github.com/m4gshm/gollections/expr/use"
+    "github.com/m4gshm/gollections/loop"
     "github.com/m4gshm/gollections/loop/group"
 )
 
-var ageGroups = group.Of(users, func(u User) string {
+var ageGroups map[string][]User = group.Of(loop.Of(users...), func(u User) string {
     return use.If(u.age <= 20, "<=20").If(u.age <= 30, "<=30").Else(">30")
 }, as.Is)
 

internal/docs/readme.adoc

@@ -310,9 +310,10 @@ include::../examples/loopexamples/range_Closed_test.go[lines=12..16,indent=0]
 import (
     "github.com/m4gshm/gollections/convert/as"
     "github.com/m4gshm/gollections/expr/use"
+    "github.com/m4gshm/gollections/loop"
     "github.com/m4gshm/gollections/loop/group"
 )
-include::../examples/loopexamples/group_Of_test.go[lines=16..22,indent=0]
+include::../examples/loopexamples/group_Of_test.go[lines=17..23,indent=0]
 ----
 ====== loop.ToMap, loop.ToMapResolv
 [source,go]

internal/examples/loopexamples/group_Of_test.go

@@ -7,14 +7,15 @@ import (
 
 	"github.com/m4gshm/gollections/convert/as"
 	"github.com/m4gshm/gollections/expr/use"
+	"github.com/m4gshm/gollections/loop"
+	"github.com/m4gshm/gollections/loop/group"
 	"github.com/m4gshm/gollections/slice"
-	"github.com/m4gshm/gollections/slice/group"
 	"github.com/m4gshm/gollections/slice/sort"
 )
 
 func Test_Group(t *testing.T) {
 
-	var ageGroups = group.Of(users, func(u User) string {
+	var ageGroups map[string][]User = group.Of(loop.Of(users...), func(u User) string {
 		return use.If(u.age <= 20, "<=20").If(u.age <= 30, "<=30").Else(">30")
 	}, as.Is)
 

internal/examples/sliceexamples/group_Of_test.go

@@ -14,7 +14,7 @@ import (
 
 func Test_Slice_Group(t *testing.T) {
 
-	var ageGroups = group.Of(users, func(u User) string {
+	var ageGroups map[string][]User = group.Of(users, func(u User) string {
 		return use.If(u.age <= 20, "<=20").If(u.age <= 30, "<=30").Else(">30")
 	}, as.Is)