loader, iter, reflect: use build tags for package iter and iter methods on reflect.Value

loader/goroot.go

@@ -261,10 +261,6 @@ func pathsToOverride(goMinor int, needsSyscallPackage bool) map[string]bool {
 		"unique/":                     false,
 	}
 
-	if goMinor <= 22 {
-		paths["iter]"] = false
-	}
-
 	if goMinor >= 19 {
 		paths["crypto/internal/"] = true
 		paths["crypto/internal/boring/"] = true

src/iter/iter.go

@@ -1,17 +0,0 @@
-//go:build !go1.23
-
-// Delete this file when TinyGo drops support for Go 1.22.
-
-package iter
-
-// Seq is an iterator over sequences of individual values.
-// When called as seq(yield), seq calls yield(v) for each value v in the sequence,
-// stopping early if yield returns false.
-// See the [iter] package documentation for more details.
-type Seq[V any] func(yield func(V) bool)
-
-// Seq2 is an iterator over sequences of pairs of values, most commonly key-value pairs.
-// When called as seq(yield), seq calls yield(k, v) for each pair (k, v) in the sequence,
-// stopping early if yield returns false.
-// See the [iter] package documentation for more details.
-type Seq2[K, V any] func(yield func(K, V) bool)

src/reflect/iter.go

@@ -1,3 +1,5 @@
+//go:build go1.23
+
 // Copyright 2024 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.