const step = 13
	if r >= 'a' && r <= 'z' {
		return ((r - 'a' + step) % 26) + 'a'
	}
	if r >= 'A' && r <= 'Z' {
		return ((r - 'A' + step) % 26) + 'A'
	}
	return r
}

func TestMap(t *testing.T) {
	// Run a couple of awful growth/shrinkage tests
	a := tenRunes('a')

	// 1. Grow. This triggers two reallocations in Map.
	maxRune := func(r rune) rune { return unicode.MaxRune }

as in an <a href="#Assignment_statements">assignment statement</a>.
</p>

<pre>
var testdata *struct {
	a *[7]int
}
for i, _ := range testdata.a {
	// testdata.a is never evaluated; len(testdata.a) is constant
	// i ranges from 0 to 6
	f(i)
}

var a [10]string
for i, s := range a {
	// type of i is int
	// type of s is string

 z2 := slices.Clone(z) var y uint y-- c := addMulVVW(z, x, y) c2 := test.f(&z2[0], &x[0], y) if !slices.Equal(z, z2) || c != c2 { t.Errorf("%016X, %016X != %016X, %016X", z, c, z2, c2) } }) } } func TestInverse(t *testing.T) { f, err := os.Open("testdata/mod_inv_tests.txt") if err != nil { t.Fatal(err) } var ModInv, A, M string var lineNum int scanner := bufio.NewScanner(f) for scanner.Scan() { lineNum++ line := scanner.Text() if len(line) == 0 || line[0] == '#' { continue } k, v, _ := strings.Cut(line,...

 z2 := slices.Clone(z) var y uint y-- c := addMulVVW(z, x, y) c2 := test.f(&z2[0], &x[0], y) if !slices.Equal(z, z2) || c != c2 { t.Errorf("%016X, %016X != %016X, %016X", z, c, z2, c2) } }) } } func TestInverse(t *testing.T) { f, err := os.Open("testdata/mod_inv_tests.txt") if err != nil { t.Fatal(err) } var ModInv, A, M string var lineNum int scanner := bufio.NewScanner(f) for scanner.Scan() { lineNum++ line := scanner.Text() if len(line) == 0 || line[0] == '#' { continue } k, v, _ := strings.Cut(line,...