if constant.Compare(a, token.LSS, b) {
			return -1
		}
		if constant.Compare(a, token.GTR, b) {
			return +1
		}
		return 0
	})

	for _, v := range vs {
		fmt.Println(constant.StringVal(v))
	}

	// Output:
	//
	// Frame
	// Z
	// a
	// bacon
	// defer
	// go
}

func ExampleSign() {
	zero := constant.MakeInt64(0)
	one := constant.MakeInt64(1)

	case string:
		return makeValue(stringVal(x))
	case []any:
		a := arrayConstructor.New(len(x))
		for i, s := range x {
			a.SetIndex(i, s)
		}
		return a
	case map[string]any:
		o := objectConstructor.New()
		for k, v := range x {
			o.Set(k, v)
		}
		return o
	default:
		panic("ValueOf: invalid value")
	}
}

// stringVal copies string x to Javascript and returns a ref.
//

		switch t := arrayPtrDeref(under(x.typ)).(type) {
		case *Basic:
			if isString(t) && id == _Len {
				if x.mode == constant_ {
					mode = constant_
					val = constant.MakeInt64(int64(len(constant.StringVal(x.val))))
				} else {
					mode = value
				}
			}

		case *Array:
			mode = value
			// spec: "The expressions len(s) and cap(s) are constants

		switch t := arrayPtrDeref(under(x.typ)).(type) {
		case *Basic:
			if isString(t) && id == _Len {
				if x.mode == constant_ {
					mode = constant_
					val = constant.MakeInt64(int64(len(constant.StringVal(x.val))))
				} else {
					mode = value
				}
			}

		case *Array:
			mode = value
			// spec: "The expressions len(s) and cap(s) are constants

		}
		if x, ok := constant.Uint64Val(val); ok {
			return x
		}
	case constant.Float:
		if x, ok := constant.Float64Val(val); ok {
			return x
		}
	case constant.String:
		return constant.StringVal(val)
	}
	return nil
}

// A valueMap maps a case value (of a basic Go type) to a list of positions
// where the same case value appeared, together with the corresponding case
// types.

		}
		if x, ok := constant.Uint64Val(val); ok {
			return x
		}
	case constant.Float:
		if x, ok := constant.Float64Val(val); ok {
			return x
		}
	case constant.String:
		return constant.StringVal(val)
	}
	return nil
}

// A valueMap maps a case value (of a basic Go type) to a list of positions
// where the same case value appeared, together with the corresponding case
// types.

		fallthrough
	case constant.Int:
		if v, ok := constant.Int64Val(x); ok {
			return v
		}
		if v, ok := constant.Uint64Val(x); ok {
			return v
		}
	case constant.String:
		return constant.StringVal(x)
	case constant.Bool:
		return constant.BoolVal(x)
	}
	return x
}

// typeAssertion checks x.(T). The type of x must be an interface.

		fallthrough
	case constant.Int:
		if v, ok := constant.Int64Val(x); ok {
			return v
		}
		if v, ok := constant.Uint64Val(x); ok {
			return v
		}
	case constant.String:
		return constant.StringVal(x)
	case constant.Bool:
		return constant.BoolVal(x)
	}
	return x
}

// typeAssertion checks x.(T). The type of x must be an interface.

			case 8:
				return s.constInt64(n.Type(), i)
			default:
				s.Fatalf("bad integer size %d", n.Type().Size())
				return nil
			}
		case constant.String:
			i := constant.StringVal(u)
			if i == "" {
				return s.constEmptyString(n.Type())
			}
			return s.entryNewValue0A(ssa.OpConstString, n.Type(), ssa.StringToAux(i))
		case constant.Bool:
			return s.constBool(constant.BoolVal(u))