package syntax

import "go/constant"

// A Type represents a type of Go.
// All types implement the Type interface.
// (This type originally lived in types2. We moved it here
// so we could depend on it from other packages without
// introducing an import cycle.)
type Type interface {
	// Underlying returns the underlying type of a type.
	// Underlying types are never Named, TypeParam, or Alias types.
	//

// This file contains various functionality that is
// different between go/types and types2. Factoring
// out this code allows more of the rest of the code
// to be shared.

package types2

import (
	"cmd/compile/internal/syntax"
	"go/constant"
	"go/token"
)

const isTypes2 = true

// cmpPos compares the positions p and q and returns a result r as follows:
//

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

// Copyright 2023 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.

// This file exports various functionality of util.go
// so that it can be used in (package-external) tests.

package types

import (
	"go/token"
)

// Code generated by "go test -run=Generate -write=all"; DO NOT EDIT.
// Source: ../../cmd/compile/internal/types2/main_test.go

// Copyright 2022 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_test

import (
	"go/build"
	"internal/testenv"
	"os"
	"testing"
)

func TestMain(m *testing.M) {

// Source: ../../cmd/compile/internal/types2/map.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 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}

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

// Copyright 2019 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.

// This is a copy of the file generated during the gccgo build process.
// Last update 2019-01-22.

package types

var gccgoArchSizes = map[string]*StdSizes{
	"386":         {4, 4},

// Source: ../../cmd/compile/internal/types2/chan.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 Chan represents a channel type.
type Chan struct {
	dir  ChanDir
	elem Type
}

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

// 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.

// 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} }

// 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)