// Source: ../../cmd/compile/internal/types2/pointer.go

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package types

// A Pointer represents a pointer type.
type Pointer struct {
	base Type // element type
}

// NewPointer returns a new pointer type for the given element (base) type.

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// The errors below are produced by the parser, but we check
// them here for consistency with the types2 tests.

package p

import ; // ERROR "missing import path"
import "" // ERROR "invalid import path (empty string)"
import
var /* ERROR "missing import path" */ _ int
import .; // ERROR "missing import path"

// license that can be found in the LICENSE file.

// The following shift tests are disabled in the shared
// testdata/check/shifts.go file because they don't work
// correctly with types2 at the moment. See go.dev/issue/52080.
// Make sure we keep testing them with go/types.
//
// TODO(gri) Once go.dev/issue/52080 is fixed, this file can be
//           deleted in favor of the re-enabled tests
//           in the shared file.

package p

// type of all types in the corresponding type constraint if it exists, or
// nil otherwise. If the type set contains only unrestricted and restricted
// channel types (with identical element types), the single underlying type
// is the restricted channel type if the restrictions are always the same.
// If typ is not a type parameter, CoreType returns the underlying type.
func CoreType(t Type) Type {

package types2

// A Map represents a map type.
type Map struct {
	key, elem Type
}

// NewMap returns a new map for the given key and element types.
func NewMap(key, elem Type) *Map {
	return &Map{key: key, elem: elem}
}

// Key returns the key type of map m.
func (m *Map) Key() Type { return m.key }

// Elem returns the element type of map m.

// Source: ../../cmd/compile/internal/types2/slice.go

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package types

// A Slice represents a slice type.
type Slice struct {
	elem Type
}

// NewSlice returns a new slice type for the given element type.
func NewSlice(elem Type) *Slice { return &Slice{elem: elem} }

package types2

// A Chan represents a channel type.
type Chan struct {
	dir  ChanDir
	elem Type
}

// A ChanDir value indicates a channel direction.
type ChanDir int

// The direction of a channel is indicated by one of these constants.
const (
	SendRecv ChanDir = iota
	SendOnly
	RecvOnly
)

// NewChan returns a new channel type for the given direction and element type.

package types2

import (
	"reflect"
	"testing"
)

// Signal size changes of important structures.

func TestSizeof(t *testing.T) {
	const _64bit = ^uint(0)>>32 != 0

	var tests = []struct {
		val    interface{} // type as a value
		_32bit uintptr     // size on 32bit platforms
		_64bit uintptr     // size on 64bit platforms
	}{
		// Types
		{Basic{}, 16, 32},
		{Array{}, 16, 24},

// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package types2

import "testing"

func TestError(t *testing.T) {
	var err error_
	want := "no error"
	if got := err.msg(); got != want {
		t.Errorf("empty error: got %q, want %q", got, want)
	}

	want = "foo 42"
	err.addf(nopos, "foo %d", 42)

//
// An objset is similar to a Scope but objset elements
// are identified by their unique id, instead of their
// object name.

package types2

// An objset is a set of objects identified by their unique id.
// The zero value for objset is a ready-to-use empty objset.
type objset map[string]Object // initialized lazily

// insert attempts to insert an object obj into objset s.