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

// Copyright 2013 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 (
	"bytes"
	"flag"
	"fmt"
	"os"
	"testing"

	. "go/types"
)

var (
	H   = flag.Int("H", 5, "Hilbert matrix size")

		}
	}

	return nil
}

// update de-duplicates n against previously seen types with the hash h.  If an
// identical type is found with the type hash h, the previously seen type is
// returned. Otherwise, n is returned, and recorded in the Context for the hash
// h.
func (ctxt *Context) update(h string, orig Type, targs []Type, inst Type) Type {
	assert(inst != nil)

	ctxt.mu.Lock()
	defer ctxt.mu.Unlock()

func nextID() uint64 { return uint64(lastID.Add(1)) }

// A TypeParam represents a type parameter type.
type TypeParam struct {
	check *Checker  // for lazy type bound completion
	id    uint64    // unique id, for debugging only
	obj   *TypeName // corresponding type name
	index int       // type parameter index in source order, starting at 0
	bound Type      // any type, but underlying is eventually *Interface for correct programs (see TypeParam.iface)
}

// This file implements support functions for error messages.

package types2

// lookupError returns a case-specific error when a lookup of selector sel in the
// given type fails but an object with alternative spelling (case folding) is found.
// If structLit is set, the error message is specifically for struct literal fields.
func (check *Checker) lookupError(typ Type, sel string, obj Object, structLit bool) string {

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

package types2

type gcSizes struct {
	WordSize int64 // word size in bytes - must be >= 4 (32bits)
	MaxAlign int64 // maximum alignment in bytes - must be >= 1
}

func (s *gcSizes) Alignof(T Type) (result int64) {
	defer func() {
		assert(result >= 1)
	}()

	// For arrays and structs, alignment is defined in terms

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

// Copyright 2024 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 implements support functions for error messages.

package types

// lookupError returns a case-specific error when a lookup of selector sel in the

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

package types

type gcSizes struct {
	WordSize int64 // word size in bytes - must be >= 4 (32bits)
	MaxAlign int64 // maximum alignment in bytes - must be >= 1
}

// Underlying returns the [underlying type] of the alias type a, which is the
// underlying type of the aliased type. Underlying types are never Named,
// TypeParam, or Alias types.
//
// [underlying type]: https://go.dev/ref/spec#Underlying_types.
func (a *Alias) Underlying() Type { return unalias(a).Underlying() }

// Origin returns the generic Alias type of which a is an instance.

	{"type t struct{f int}", "t", "type p.t struct{f int}", false},
	{"type t func(int)", "t", "type p.t func(int)", false},
	{"type t[P any] struct{f P}", "t", "type p.t[P any] struct{f P}", false},
	{"type t[P any] struct{f P}", "t.P", "type parameter P any", false},
	{"type C interface{m()}; type t[P C] struct{}", "t.P", "type parameter P p.C", false},

func nextID() uint64 { return uint64(lastID.Add(1)) }

// A TypeParam represents a type parameter type.
type TypeParam struct {
	check *Checker  // for lazy type bound completion
	id    uint64    // unique id, for debugging only
	obj   *TypeName // corresponding type name
	index int       // type parameter index in source order, starting at 0
	bound Type      // any type, but underlying is eventually *Interface for correct programs (see TypeParam.iface)
}