zero64I    T64    = 0
	one64      uint64 = 1
	thousand64 uint64 = 1000

	zerostr  string = ""
	zerostrI Tstr   = ""
	nzstr    string = "abc"

	zeroslice  []byte = nil
	zerosliceI Tslice = nil
	nzslice    []byte = []byte("abc")

	zerobig [512]byte
	nzbig   [512]byte = [512]byte{511: 1}
)

func BenchmarkConvT2Ezero(b *testing.B) {
	b.Run("zero", func(b *testing.B) {

	asMap(Map{})
	isMap(Map{})

	asSlice(slice)
	isSlice(slice)
	asSlice(make(Slice, 5))
	isSlice(make(Slice, 5))
	asSlice([]byte{1, 2, 3})
	asSlice([]byte{1, 2, 3}[0:2])
	asSlice(slice[0:4])
	isSlice(slice[0:4])
	asSlice(slice[3:8])
	isSlice(slice[3:8])
	asSlice(nil)
	asSlice(Slice(nil))
	isSlice(Slice(nil))
	slice = nil
	asSlice(Slice{1, 2, 3})
	isSlice(Slice{1, 2, 3})
	asSlice(Slice{})

// 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 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 }

	"cmd/internal/src"
)

// A Slice reads from a slice of Tokens.
type Slice struct {
	tokens []Token
	base   *src.PosBase
	line   int
	pos    int
}

func NewSlice(base *src.PosBase, line int, tokens []Token) *Slice {
	return &Slice{
		tokens: tokens,
		base:   base,
		line:   line,
		pos:    -1, // Next will advance to zero.
	}
}

func (s *Slice) Next() ScanToken {
	s.pos++

package runtime

import (
	"internal/abi"
	"internal/goarch"
	"runtime/internal/math"
	"runtime/internal/sys"
	"unsafe"
)

type slice struct {
	array unsafe.Pointer
	len   int
	cap   int
}

// A notInHeapSlice is a slice backed by runtime/internal/sys.NotInHeap memory.
type notInHeapSlice struct {
	array *notInHeap
	len   int
	cap   int
}

func panicmakeslicelen() {

		if item == s {
			continue
		}
		if modifier != nil && modifier(item) == s {
			continue
		}
		newSlice = append(newSlice, item)
	}
	if len(newSlice) == 0 {
		// Sanitize for unit tests so we don't need to distinguish empty array
		// and nil.
		newSlice = nil
	}
	return newSlice

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

package sort

import (
	"internal/reflectlite"
	"math/bits"
)

// Slice sorts the slice x given the provided less function.
// It panics if x is not a slice.
//
// The sort is not guaranteed to be stable: equal elements
// may be reversed from their original order.
// For a stable sort, use [SliceStable].
//

	if t == nil {
		n.SetType(nil)
		return n
	}
	if !t.IsSlice() && !t.IsString() {
		base.Fatalf("OSPTR of %v", t)
	}
	if t.IsString() {
		n.SetType(types.NewPtr(types.Types[types.TUINT8]))
	} else {
		n.SetType(types.NewPtr(t.Elem()))
	}
	return n
}

// tcSlice typechecks an OSLICE or OSLICE3 node.
func tcSlice(n *ir.SliceExpr) ir.Node {
	n.X = DefaultLit(Expr(n.X), nil)

			continue
		}
		epSlice.Annotations[annotation] = val
	}

	if sliceName == "" {
		epSlice.GenerateName = getEndpointSlicePrefix(endpoints.Name)
	} else {
		epSlice.Name = sliceName
	}

	return epSlice
}

// getEndpointSlicePrefix returns a suitable prefix for an EndpointSlice name.