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

//go:build !unix && !windows

package filelock

import (
	"errors"
	"io/fs"
)

type lockType int8

const (
	readLock = iota + 1
	writeLock
)

func lock(f File, lt lockType) error {
	return &fs.PathError{
		Op:   lt.String(),
		Path: f.Name(),
		Err:  errors.ErrUnsupported,
	}
}

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

package a

import (
	"math/rand"
)

type Integer interface {
	~int | ~int8 | ~int16 | ~int32 | ~int64 |
	~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr
}

type Builder[T Integer] struct{}

func (r Builder[T]) New() T {
	return T(rand.Int())
}

pkg syscall (freebsd-386), type Stat_t struct, Pad_cgo_0 [8]uint8
pkg syscall (freebsd-386), type Stat_t struct, Rdev uint32
pkg syscall (freebsd-386), type Statfs_t struct, Mntfromname [88]int8
pkg syscall (freebsd-386), type Statfs_t struct, Mntonname [88]int8
pkg syscall (freebsd-386-cgo), const AF_MAX = 38
pkg syscall (freebsd-386-cgo), const DLT_MATCHING_MAX = 242
pkg syscall (freebsd-386-cgo), const ELAST = 94

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

package main

func main() {
	var o any = uint64(5)
	switch o.(type) {
	case int:
		goto ret
	case int8:
		goto ret
	case int16:
		goto ret
	case int32:
		goto ret
	case int64:
		goto ret
	case float32:
		goto ret
	case float64:
		goto ret
	default:
		goto ret
	}
ret:

const tpl = `
func init() {
	var i %s
	j := %s(i)
	_ = %s(j)
}
`

func main() {
	fmt.Println("package main")
	ntypes := []string{
		"byte", "rune", "uintptr",
		"float32", "float64",
		"int", "int8", "int16", "int32", "int64",
		"uint", "uint8", "uint16", "uint32", "uint64",
	}
	for i, from := range ntypes {
		for _, to := range ntypes[i:] {
			fmt.Printf(tpl, from, to, from)
		}
	}

		println("struct{T,T}")
	default:
		println("other")
	}
}
func main() {
	f[float64](float64(6))
	f[float64](int(7))
	f[float64](int32(8))
	f[float64](struct{ a, b float64 }{a: 1, b: 2})
	f[float64](int8(9))
	f[int32](int32(7))
	f[int](int32(7))
	f[any](int(10))
	f[interface{ M() }](int(11))

			}
		})
	}
}

func TestToString(t *testing.T) {
	tests := []struct {
		name string
		in   interface{}
		out  string
	}{
		{"int", math.MaxInt64, "9223372036854775807"},
		{"int8", int8(math.MaxInt8), "127"},
		{"int16", int16(math.MaxInt16), "32767"},
		{"int32", int32(math.MaxInt32), "2147483647"},
		{"int64", int64(math.MaxInt64), "9223372036854775807"},

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

package main

import (
	"fmt"
)

type Ordered interface {
	~int | ~int8 | ~int16 | ~int32 | ~int64 |
		~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr |
		~float32 | ~float64 |
		~string
}

func Smallest[T Ordered](s []T) T {
	r := s[0] // panics if slice is empty

	tests += makeMergeSubTest(m1, m2, k, "64")
	tests += "\n"
	return tests
}

func main() {
	fmt.Println(`package main

import "fmt"

var n8 int8 = 42
var n16 int16 = 42
var n32 int32 = 42
var n64 int64 = 42

func main() {
    var a8, b8 int8
    var a16, b16 int16
    var a32, b32 int32
    var a64, b64 int64
`)

	fmt.Println(makeAllSizes(03, 05, 0)) // 3*n + 5*n

go vet -json -asmdecl a
stderr '"a": {'
stderr   '"asmdecl":'
stderr     '"posn": ".*asm.s:2:1",'
stderr     '"message": ".*invalid MOVW.*"'

-- a/a.go --
package a

func f(x int8)

-- a/asm.s --
TEXT ·f(SB),0,$0-1
	MOVW	x+0(FP), AX