for _, typ := range types {
		fmt.Fprintf(w, "for i, test := range %v_tests {\n", typ)
		fmt.Fprintf(w, "	for j, x := range %v_vals {\n", typ)
		fmt.Fprintf(w, "		want := test.exp.l\n")
		fmt.Fprintf(w, "		if j == test.idx {\nwant = test.exp.e\n}")
		fmt.Fprintf(w, "		else if j > test.idx {\nwant = test.exp.r\n}\n")
		fmt.Fprintf(w, "		if test.fn(x) != want {\n")
		fmt.Fprintf(w, "			fn := runtime.FuncForPC(reflect.ValueOf(test.fn).Pointer()).Name()\n")

	fmt.Println(b.String())

	// Output: 3...2...1...ignition
}

func ExampleCompare() {
	fmt.Println(strings.Compare("a", "b"))
	fmt.Println(strings.Compare("a", "a"))
	fmt.Println(strings.Compare("b", "a"))
	// Output:
	// -1
	// 0
	// 1
}

func ExampleContains() {
	fmt.Println(strings.Contains("seafood", "foo"))
	fmt.Println(strings.Contains("seafood", "bar"))
	fmt.Println(strings.Contains("seafood", ""))

	}
}

func genOp() {
	w := new(bytes.Buffer)
	fmt.Fprintf(w, "// Code generated from _gen/*Ops.go using 'go generate'; DO NOT EDIT.\n")
	fmt.Fprintln(w)
	fmt.Fprintln(w, "package ssa")

	fmt.Fprintln(w, "import (")
	fmt.Fprintln(w, "\"cmd/internal/obj\"")
	for _, a := range archs {
		if a.pkg != "" {
			fmt.Fprintf(w, "%q\n", a.pkg)
		}
	}
	fmt.Fprintln(w, ")")

	// generate Block* declarations

		for i, os := range clangos {
			if i > 0 {
				fmt.Fprintf(&buf, ", ")
			}
			fmt.Fprintf(&buf, "%s", quote(os))
		}
		fmt.Fprintf(&buf, ":\n")
		fmt.Fprintf(&buf, "\t\treturn %s\n", quote(clang))
		fmt.Fprintf(&buf, "\t}\n")
		fmt.Fprintf(&buf, "\treturn %s\n", quote(gcc))
	}
	fmt.Fprintf(&buf, "}\n")

	return buf.String()
}

// mkzcgo writes zcgo.go for the go/build package:
//
//	package build

		fmt.Fprintf(w, "s = *sp\n")
		fmt.Fprintf(w, "*sp = nil\n")
		fmt.Fprintf(w, "c.hdr%s = append(c.hdr%s, sp)\n", a.name, a.name)
	}
	fmt.Fprintf(w, "}\n")
	if a.resize != "" {
		fmt.Fprintf(w, "s = %s\n", fmt.Sprintf(a.resize, "s", "n"))
	}
	fmt.Fprintf(w, "return s\n")
	fmt.Fprintf(w, "}\n")
	fmt.Fprintf(w, "func (c *Cache) free%s(s %s) {\n", a.name, a.typ)
	fmt.Fprintf(w, "%s\n", fmt.Sprintf(a.clear, "s"))

stdout '^flag \[fmt\.test\] MAP: map\[fmt:fmt \[fmt\.test\]\]'
stdout '^fmt\.test MAP: map\[(.* )?testing:testing \[fmt\.test\]'
! stdout '^fmt\.test MAP: map\[(.* )?os:'
stdout '^fmt\.test IMPORT: \[fmt \[fmt\.test\] fmt_test \[fmt\.test\] os reflect testing \[fmt\.test\] testing/internal/testdeps \[fmt\.test\]\]'


-- a/b/b.go --
package b

import _ "c/d"

	assertString(t, fmt.Sprintf("package of %q", s1.Name), s1.PackageName(), "main")
	assertString(t, fmt.Sprintf("package of %q", s2.Name), s2.PackageName(), "main")
	assertString(t, fmt.Sprintf("package of %q", s3.Name), s3.PackageName(), "a/b")
	assertString(t, fmt.Sprintf("package of %q", s4.Name), s4.PackageName(), "main")
	assertString(t, fmt.Sprintf("receiver of %q", s1.Name), s1.ReceiverName(), "")

func ExampleNew_errorf() {
	const name, id = "bimmler", 17
	err := fmt.Errorf("user %q (id %d) not found", name, id)
	if err != nil {
		fmt.Print(err)
	}
	// Output: user "bimmler" (id 17) not found
}

func ExampleJoin() {
	err1 := errors.New("err1")
	err2 := errors.New("err2")
	err := errors.Join(err1, err2)
	fmt.Println(err)
	if errors.Is(err, err1) {
		fmt.Println("err is err1")
	}
	if errors.Is(err, err2) {

		"one": 10,
	}

	maps.Copy(m2, m1)
	fmt.Println("m2 is:", m2)

	m2["one"] = 100
	fmt.Println("m1 is:", m1)
	fmt.Println("m2 is:", m2)

	m3 := map[string][]int{
		"one": {1, 2, 3},
		"two": {4, 5, 6},
	}
	m4 := map[string][]int{
		"one": {7, 8, 9},
	}

	maps.Copy(m4, m3)
	fmt.Println("m4 is:", m4)

	m4["one"][0] = 100
	fmt.Println("m3 is:", m3)
	fmt.Println("m4 is:", m4)

	// Output:

	// The package also accepts the incorrect but common prefix u for micro.
	micro2, _ := time.ParseDuration("1us")

	fmt.Println(hours)
	fmt.Println(complex)
	fmt.Printf("There are %.0f seconds in %v.\n", complex.Seconds(), complex)
	fmt.Printf("There are %d nanoseconds in %v.\n", micro.Nanoseconds(), micro)
	fmt.Printf("There are %6.2e seconds in %v.\n", micro2.Seconds(), micro2)
	// Output:
	// 10h0m0s
	// 1h10m10s