fmt.Printf("%s", &stringerv)
	fmt.Printf("%v", &stringerv)
	fmt.Printf("%T", &stringerv)
	fmt.Printf("%s", &embeddedStringerv)
	fmt.Printf("%v", &embeddedStringerv)
	fmt.Printf("%T", &embeddedStringerv)
	fmt.Printf("%v", notstringerv)
	fmt.Printf("%T", notstringerv)
	fmt.Printf("%q", stringerarrayv)
	fmt.Printf("%v", stringerarrayv)
	fmt.Printf("%s", stringerarrayv)
	fmt.Printf("%v", notstringerarrayv)
	fmt.Printf("%T", notstringerarrayv)

	genSize2 := (1 << 21) + 16

	fmt.Fprintln(buf, "TEXT f(SB),0,$0-0")
	fmt.Fprintln(buf, "BEQ R5, R6, label18")
	fmt.Fprintln(buf, "BNE R5, R6, label18")
	fmt.Fprintln(buf, "BGE R5, R6, label18")

	fmt.Fprintln(buf, "BGEU R5, R6, label18")
	fmt.Fprintln(buf, "BLTU R5, R6, label18")

	fmt.Fprintln(buf, "BLEZ R5, label18")
	fmt.Fprintln(buf, "BGEZ R5, label18")
	fmt.Fprintln(buf, "BLTZ R5, label18")

// package comment
package main

import (
	"errors"
	"fmt"
	"io"
	"log"
	"math"
)

import (
	"fmt"

	"math"

	"log"

	"errors"

	"io"
)

// We reset the line numbering to test that
// the formatting works independent of line directives
//line :19

import (
	"errors"
	"fmt"
	"io"
	"log"
	"math"

	"fmt"

	"math"

	"log"

	"errors"

	"io"

		// type for test
		fmt.Fprintf(w, "type Z%du1 struct {\n", s)
		fmt.Fprintf(w, "  b   bool\n")
		fmt.Fprintf(w, "  val [%d]byte\n", s)
		fmt.Fprintf(w, "}\n")

		fmt.Fprintf(w, "type Z%du2 struct {\n", s)
		fmt.Fprintf(w, "  i   uint16\n")
		fmt.Fprintf(w, "  val [%d]byte\n", s)
		fmt.Fprintf(w, "}\n")

		// function being tested
		fmt.Fprintf(w, "//go:noinline\n")
		fmt.Fprintf(w, "func zero%du1_ssa(t *Z%du1) {\n", s, s)

	assert.Equal(t, ua, fmt.Sprintf("%v", uaNotTruncated))

	ua = ""
	for i := 0; i < maxUserAgentLength*2; i++ {
		ua = ua + "a"
	}
	req.Header.Set("User-Agent", ua)
	uaTruncated := &lazyTruncatedUserAgent{req}
	assert.NotEqual(t, ua, fmt.Sprintf("%v", uaTruncated))

	usUnknown := &lazyTruncatedUserAgent{}
	assert.Equal(t, "unknown", fmt.Sprintf("%v", usUnknown))
}

			fmt.Println("\tis digit rune")
		}
		if unicode.IsGraphic(c) {
			fmt.Println("\tis graphic rune")
		}
		if unicode.IsLetter(c) {
			fmt.Println("\tis letter rune")
		}
		if unicode.IsLower(c) {
			fmt.Println("\tis lower case rune")
		}
		if unicode.IsMark(c) {
			fmt.Println("\tis mark rune")
		}
		if unicode.IsNumber(c) {
			fmt.Println("\tis number rune")
		}
		if unicode.IsPrint(c) {

	}
}

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

		fmt.Fprintln(w, "\tMOVV\t(R20), R30")
		fmt.Fprintln(w, "\tADDV\t$8, R20")
		fmt.Fprintln(w, "\tMOVV\tR30, (R21)")
		fmt.Fprintln(w, "\tADDV\t$8, R21")
		fmt.Fprintln(w)
	}
	fmt.Fprintln(w, "\tRET")
}

func tagsPPC64x(w io.Writer) {
	fmt.Fprintln(w)
	fmt.Fprintln(w, "//go:build ppc64 || ppc64le")
	fmt.Fprintln(w)
}

func zeroPPC64x(w io.Writer) {
	// R0: always zero

	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", ""))