Move ToSeq2 example under 1.23 build

example123_test.go

@@ -0,0 +1,31 @@
+//go:build go1.23
+// +build go1.23
+
+package rill_test
+
+import (
+	"fmt"
+	"iter"
+
+	"github.com/destel/rill"
+)
+
+func Example_ToSeq2() {
+	nums := rill.FromSeq2(genPositive(40))
+	doubleNums := rill.Map(nums, 4, func(x int) (int, error) {
+		return x * x, nil
+	})
+	for val, err := range rill.ToSeq2(doubleNums) {
+		fmt.Println(val, err)
+	}
+}
+
+func genPositive(to int) iter.Seq2[int, error] {
+	return func(yield func(i int, err error) bool) {
+		for i := 1; i <= to; i++ {
+			if !yield(i, nil) {
+				return
+			}
+		}
+	}
+}

example_test.go

@@ -817,23 +817,3 @@ func hash(input ...any) int {
 	fmt.Fprintln(hasher, input...)
 	return int(hasher.Sum32())
 }
-
-func Example_ToSeq2() {
-	nums := rill.FromSeq2(genPositive(40))
-	doubleNums := rill.Map(nums, 4, func(x int) (int, error) {
-		return x * x, nil
-	})
-	for val, err := range rill.ToSeq2(doubleNums) {
-		fmt.Println(val, err)
-	}
-}
-
-func genPositive(to int) iter.Seq2[int, error] {
-	return func(yield func(i int, err error) bool) {
-		for i := 1; i <= to; i++ {
-			if !yield(i, nil) {
-				return
-			}
-		}
-	}
-}