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.

// Source: ../../cmd/compile/internal/types2/tuple.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 Tuple represents an ordered list of variables; a nil *Tuple is a valid (empty) tuple.
// Tuples are used as components of signatures and to represent the type of multiple

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

package types2

// An Array represents an array type.
type Array struct {
	len  int64
	elem Type
}

// NewArray returns a new array type for the given element type and length.
// A negative length indicates an unknown length.
func NewArray(elem Type, len int64) *Array { return &Array{len: len, elem: elem} }

// Len returns the length of array a.

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

// copied from cmd/compile/internal/types2/testdata/fixedbugs/issue39755.go

package p

func _[T interface{ ~map[string]int }](x T) {
	_ = x == nil
}

// simplified test case from issue

type PathParamsConstraint interface {
	~map[string]string | ~[]struct{ key, value string }
}

type PathParams[T PathParamsConstraint] struct {
	t T
}

package types2

// 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} }

// Elem returns the element type of slice s.
func (s *Slice) Elem() Type { return s.elem }

func (s *Slice) Underlying() Type { return s }

// 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 types2

var gccgoArchSizes = map[string]*StdSizes{
	"386":         {4, 4},
	"alpha":       {8, 8},
	"amd64":       {8, 8},
	"amd64p32":    {4, 8},
	"arm":         {4, 8},
	"armbe":       {4, 8},

// Source: ../../cmd/compile/internal/types2/array.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

// An Array represents an array type.
type Array struct {
	len  int64
	elem Type
}

// NewArray returns a new array type for the given element type and length.