// An "invalid array index" compiler error signifies that the constant values have changed.
	// Re-run the stringer command to generate them again.
	var x [1]struct{}
	_ = x[Def-1]
	_ = x[Not-2]
	_ = x[Recv-3]
	_ = x[Tilde-4]
	_ = x[OrOr-5]
	_ = x[AndAnd-6]
	_ = x[Eql-7]
	_ = x[Neq-8]
	_ = x[Lss-9]
	_ = x[Leq-10]
	_ = x[Gtr-11]
	_ = x[Geq-12]
	_ = x[Add-13]
	_ = x[Sub-14]
	_ = x[Or-15]
	_ = x[Xor-16]

)

// Single-expression type parameter lists and those that don't start
// with a (type parameter) name are considered array sizes.
// The term must be a valid expression (it could be a type incl. a
// tilde term) but the type-checker will complain.
type (
        _[t] t
        _[t|t] t

        // These are invalid and the type-checker will complain.
        _[~t] t
        _[~t|t] t
        _[t|~t] t

		want bool
	}{
		{
			name: "empty",
			want: true,
		},
		{
			name: "ASCII low",
			in:   "This is a space: ' '",
			want: true,
		},
		{
			name: "ASCII high",
			in:   "This is a tilde: '~'",
			want: true,
		},
		{
			name: "ASCII low non-print",
			in:   "This is a unit separator: \x1F",
			want: false,
		},
		{
			name: "Ascii high non-print",
			in:   "This is a Delete: \x7F",

)

type Operator uint

//go:generate stringer -type Operator -linecomment tokens.go

const (
	_ Operator = iota

	// Def is the : in :=
	Def   // :
	Not   // !
	Recv  // <-
	Tilde // ~

	// precOrOr
	OrOr // ||

	// precAndAnd
	AndAnd // &&

	// precCmp
	Eql // ==
	Neq // !=
	Lss // <
	Leq // <=
	Gtr // >
	Geq // >=

	// precAdd
	Add // +

func _[_ t[t] | t[t]]() {}

// Single-expression type parameter lists and those that don't start
// with a (type parameter) name are considered array sizes.
// The term must be a valid expression (it could be a type incl. a
// tilde term) but the type-checker will complain.
type (
        _[t] t
        _[t|t] t

        // These are invalid and the type-checker will complain.
        _[~t] t
        _[~t|t] t
        _[t|~t] t

// type restrictions of a type, if any.
//
// For all types other than *types.TypeParam, *types.Interface, and
// *types.Union, this is just a single term with Tilde() == false and
// Type() == typ. For *types.TypeParam, *types.Interface, and *types.Union, see
// below.
//
// Structural type restrictions of a type parameter are created via

      emoji_generator: !!python/name:materialx.emoji.to_svg
  - pymdownx.inlinehilite
  - pymdownx.magiclink
  - pymdownx.smartsymbols
  - pymdownx.superfences
  - pymdownx.tilde
  - pymdownx.tabbed:
      alternate_style: true
  - tables

plugins:
  - search
  - redirects:
      redirect_maps:
        # Redirect all feature pages to features/*

	// For now we do not permit interfaces with methods in unions.
	_ interface{~ /* ERROR "invalid use of ~" */ any}
	_ interface{int|interface /* ERRORx `cannot use .* in union` */ { m() }}
)

type (
	// Tilde is not permitted on defined types or interfaces.
	foo int
	bar any
	_ interface{foo}
	_ interface{~ /* ERROR "invalid use of ~" */ foo }
	_ interface{~ /* ERROR "invalid use of ~" */ bar }
)

//         TypeArgs []typeOff
//         BaseType typeOff
//     }
//
//     type UnionType struct {
//         Tag     itag // interfaceType
//         Terms   []struct {
//             tilde bool
//             Type  typeOff
//         }
//     }
//
//
//
//     type Signature struct {
//         Params   []Param
//         Results  []Param

/**
 * {@link String}用の変換ユーティリティです。
 *
 * @author higa
 */
public abstract class StringConversionUtil {

    /** WAVE DASH */
    public static final char WAVE_DASH = '\u301C';

    /** FULLWIDTH TILDE */
    public static final char FULLWIDTH_TILDE = '\uFF5E';

    /** DOUBLE VERTICAL LINE */
    public static final char DOUBLE_VERTICAL_LINE = '\u2016';

    /** PARALLEL TO */