Gecko [ waterstats.dev.bestseocompanymiami.com ]

Name	Size	Permission
abi	[ DIR ]	drwxr-xr-x
alias3.dir	[ DIR ]	drwxr-xr-x
arenas	[ DIR ]	drwxr-xr-x
asmhdr.dir	[ DIR ]	drwxr-xr-x
chan	[ DIR ]	drwxr-xr-x
closure3.dir	[ DIR ]	drwxr-xr-x
closure5.dir	[ DIR ]	drwxr-xr-x
codegen	[ DIR ]	drwxr-xr-x
ddd2.dir	[ DIR ]	drwxr-xr-x
dwarf	[ DIR ]	drwxr-xr-x
fixedbugs	[ DIR ]	drwxr-xr-x
import2.dir	[ DIR ]	drwxr-xr-x
import4.dir	[ DIR ]	drwxr-xr-x
interface	[ DIR ]	drwxr-xr-x
intrinsic.dir	[ DIR ]	drwxr-xr-x
ken	[ DIR ]	drwxr-xr-x
linkname.dir	[ DIR ]	drwxr-xr-x
linknameasm.dir	[ DIR ]	drwxr-xr-x
method4.dir	[ DIR ]	drwxr-xr-x
retjmp.dir	[ DIR ]	drwxr-xr-x
runtime	[ DIR ]	drwxr-xr-x
stress	[ DIR ]	drwxr-xr-x
syntax	[ DIR ]	drwxr-xr-x
typeparam	[ DIR ]	drwxr-xr-x
uintptrescapes.dir	[ DIR ]	drwxr-xr-x
235.go	1.56 KB	-rw-r--r--
64bit.go	24.83 KB	-rw-r--r--
README.md	731 B	-rw-r--r--
alg.go	822 B	-rw-r--r--
alias.go	588 B	-rw-r--r--
alias1.go	803 B	-rw-r--r--
alias2.go	2.47 KB	-rw-r--r--
alias3.go	187 B	-rw-r--r--
align.go	603 B	-rw-r--r--
append.go	9.09 KB	-rw-r--r--
append1.go	856 B	-rw-r--r--
args.go	374 B	-rw-r--r--
armimm.go	3.85 KB	-rw-r--r--
asmhdr.go	237 B	-rw-r--r--
assign.go	1.01 KB	-rw-r--r--
assign1.go	5.55 KB	-rw-r--r--
atomicload.go	798 B	-rw-r--r--
bigalg.go	2.12 KB	-rw-r--r--
bigmap.go	2.46 KB	-rw-r--r--
blank.go	2.1 KB	-rw-r--r--
blank1.go	724 B	-rw-r--r--
bom.go	406 B	-rw-r--r--
bombad.go	480 B	-rw-r--r--
bounds.go	6.09 KB	-rw-r--r--
cannotassign.go	1.04 KB	-rw-r--r--
chancap.go	1.57 KB	-rw-r--r--
chanlinear.go	2.12 KB	-rw-r--r--
char_lit.go	657 B	-rw-r--r--
char_lit1.go	822 B	-rw-r--r--
checkbce.go	3.7 KB	-rw-r--r--
clear.go	743 B	-rw-r--r--
clearfat.go	1.15 KB	-rw-r--r--
closedchan.go	5.79 KB	-rw-r--r--
closure.go	1.69 KB	-rw-r--r--
closure1.go	280 B	-rw-r--r--
closure2.go	1.87 KB	-rw-r--r--
closure3.go	358 B	-rw-r--r--
closure4.go	364 B	-rw-r--r--
closure5.go	280 B	-rw-r--r--
closure6.go	346 B	-rw-r--r--
closure7.go	373 B	-rw-r--r--
cmp.go	7.63 KB	-rw-r--r--
cmp6.go	2.16 KB	-rw-r--r--
cmplx.go	1.39 KB	-rw-r--r--
cmplxdivide.c	2.05 KB	-rw-r--r--
cmplxdivide.go	868 B	-rw-r--r--
cmplxdivide1.go	240.68 KB	-rw-r--r--
complit.go	1.71 KB	-rw-r--r--
complit1.go	1.63 KB	-rw-r--r--
compos.go	403 B	-rw-r--r--
const.go	4.78 KB	-rw-r--r--
const1.go	3.79 KB	-rw-r--r--
const2.go	1008 B	-rw-r--r--
const3.go	659 B	-rw-r--r--
const4.go	1.28 KB	-rw-r--r--
const5.go	835 B	-rw-r--r--
const6.go	834 B	-rw-r--r--
const7.go	1.93 KB	-rw-r--r--
const8.go	727 B	-rw-r--r--
convT2X.go	3.33 KB	-rw-r--r--
convert.go	833 B	-rw-r--r--
convert1.go	3.41 KB	-rw-r--r--
convert2.go	5.87 KB	-rw-r--r--
convert3.go	544 B	-rw-r--r--
convert4.go	2.09 KB	-rw-r--r--
convinline.go	4.72 KB	-rw-r--r--
convlit.go	2.39 KB	-rw-r--r--
convlit1.go	458 B	-rw-r--r--
copy.go	6.6 KB	-rw-r--r--
copy1.go	851 B	-rw-r--r--
crlf.go	782 B	-rw-r--r--
ddd.go	4.23 KB	-rw-r--r--
ddd1.go	1.7 KB	-rw-r--r--
ddd2.go	252 B	-rw-r--r--
decl.go	926 B	-rw-r--r--
declbad.go	1.43 KB	-rw-r--r--
defer.go	875 B	-rw-r--r--
defererrcheck.go	1.4 KB	-rw-r--r--
deferfin.go	1.05 KB	-rw-r--r--
defernil.go	563 B	-rw-r--r--
deferprint.go	586 B	-rw-r--r--
deferprint.out	126 B	-rw-r--r--
devirt.go	574 B	-rw-r--r--
directive.go	1.06 KB	-rw-r--r--
directive2.go	1.16 KB	-rw-r--r--
divide.go	1.22 KB	-rw-r--r--
divmod.go	9.28 KB	-rw-r--r--
embedfunc.go	308 B	-rw-r--r--
embedvers.go	292 B	-rw-r--r--
empty.go	316 B	-rw-r--r--
env.go	549 B	-rw-r--r--
eof.go	308 B	-rw-r--r--
eof1.go	333 B	-rw-r--r--
escape.go	3.8 KB	-rw-r--r--
escape2.go	35.11 KB	-rw-r--r--
escape2n.go	35.14 KB	-rw-r--r--
escape3.go	524 B	-rw-r--r--
escape4.go	1.4 KB	-rw-r--r--
escape5.go	5.31 KB	-rw-r--r--
escape_array.go	3.64 KB	-rw-r--r--
escape_calls.go	1.63 KB	-rw-r--r--
escape_closure.go	4.65 KB	-rw-r--r--
escape_field.go	2.92 KB	-rw-r--r--
escape_goto.go	677 B	-rw-r--r--
escape_hash_maphash.go	368 B	-rw-r--r--
escape_iface.go	4.53 KB	-rw-r--r--
escape_indir.go	3.31 KB	-rw-r--r--
escape_level.go	1.79 KB	-rw-r--r--
escape_map.go	2.76 KB	-rw-r--r--
escape_mutations.go	1.79 KB	-rw-r--r--
escape_param.go	8.9 KB	-rw-r--r--
escape_reflect.go	13.05 KB	-rw-r--r--
escape_runtime_atomic.go	874 B	-rw-r--r--
escape_selfassign.go	538 B	-rw-r--r--
escape_slice.go	3.89 KB	-rw-r--r--
escape_struct_param1.go	8.9 KB	-rw-r--r--
escape_struct_param2.go	8.94 KB	-rw-r--r--
escape_struct_return.go	1.04 KB	-rw-r--r--
escape_sync_atomic.go	943 B	-rw-r--r--
escape_unsafe.go	2.17 KB	-rw-r--r--
fibo.go	6.28 KB	-rw-r--r--
finprofiled.go	2.1 KB	-rw-r--r--
float_lit.go	3.95 KB	-rw-r--r--
float_lit2.go	7.88 KB	-rw-r--r--
float_lit3.go	1.72 KB	-rw-r--r--
floatcmp.go	3.03 KB	-rw-r--r--
for.go	1.2 KB	-rw-r--r--
func.go	1.29 KB	-rw-r--r--
func1.go	445 B	-rw-r--r--
func2.go	578 B	-rw-r--r--
func3.go	505 B	-rw-r--r--
func4.go	409 B	-rw-r--r--
func5.go	1.49 KB	-rw-r--r--
func6.go	393 B	-rw-r--r--
func7.go	477 B	-rw-r--r--
func8.go	599 B	-rw-r--r--
funcdup.go	1.31 KB	-rw-r--r--
funcdup2.go	721 B	-rw-r--r--
fuse.go	5.33 KB	-rw-r--r--
gc.go	411 B	-rw-r--r--
gc1.go	303 B	-rw-r--r--
gc2.go	977 B	-rw-r--r--
gcgort.go	34.54 KB	-rw-r--r--
gcstring.go	872 B	-rw-r--r--
goprint.go	722 B	-rw-r--r--
goprint.out	65 B	-rw-r--r--
goto.go	8.39 KB	-rw-r--r--
heapsampling.go	9.67 KB	-rw-r--r--
helloworld.go	269 B	-rw-r--r--
helloworld.out	13 B	-rw-r--r--
if.go	1.36 KB	-rw-r--r--
import.go	425 B	-rw-r--r--
import1.go	703 B	-rw-r--r--
import2.go	247 B	-rw-r--r--
import4.go	310 B	-rw-r--r--
import5.go	722 B	-rw-r--r--
import6.go	1.44 KB	-rw-r--r--
index.go	6.42 KB	-rw-r--r--
index0.go	301 B	-rw-r--r--
index1.go	305 B	-rw-r--r--
index2.go	305 B	-rw-r--r--
indirect.go	1.39 KB	-rw-r--r--
indirect1.go	1.53 KB	-rw-r--r--
init.go	479 B	-rw-r--r--
init1.go	1.08 KB	-rw-r--r--
initcomma.go	1.22 KB	-rw-r--r--
initexp.go	1.74 KB	-rw-r--r--
initialize.go	2.16 KB	-rw-r--r--
initializerr.go	1.15 KB	-rw-r--r--
initloop.go	407 B	-rw-r--r--
inline.go	11.69 KB	-rw-r--r--
inline_big.go	12.69 KB	-rw-r--r--
inline_caller.go	1.36 KB	-rw-r--r--
inline_callers.go	1.87 KB	-rw-r--r--
inline_endian.go	1.63 KB	-rw-r--r--
inline_literal.go	1.02 KB	-rw-r--r--
inline_math_bits_rotate.go	571 B	-rw-r--r--
inline_sync.go	1.62 KB	-rw-r--r--
inline_variadic.go	513 B	-rw-r--r--
int_lit.go	387 B	-rw-r--r--
intcvt.go	4.26 KB	-rw-r--r--
intrinsic.go	270 B	-rw-r--r--
intrinsic_atomic.go	839 B	-rw-r--r--
iota.go	1.59 KB	-rw-r--r--
label.go	1.02 KB	-rw-r--r--
label1.go	2.08 KB	-rw-r--r--
linkmain.go	237 B	-rw-r--r--
linkmain_run.go	2.28 KB	-rw-r--r--
linkname.go	456 B	-rw-r--r--
linkname3.go	720 B	-rw-r--r--
linknameasm.go	210 B	-rw-r--r--
linkobj.go	3.55 KB	-rw-r--r--
linkx.go	741 B	-rw-r--r--
linkx_run.go	1.67 KB	-rw-r--r--
literal.go	4.99 KB	-rw-r--r--
literal2.go	2.22 KB	-rw-r--r--
live.go	18.03 KB	-rw-r--r--
live1.go	1.29 KB	-rw-r--r--
live2.go	953 B	-rw-r--r--
live_regabi.go	18.36 KB	-rw-r--r--
live_uintptrkeepalive.go	2.02 KB	-rw-r--r--
loopbce.go	13.81 KB	-rw-r--r--
mainsig.go	598 B	-rw-r--r--
makechan.go	1.04 KB	-rw-r--r--
makemap.go	1.3 KB	-rw-r--r--
makenew.go	605 B	-rw-r--r--
makeslice.go	5.49 KB	-rw-r--r--
mallocfin.go	1.18 KB	-rw-r--r--
map.go	14.91 KB	-rw-r--r--
map1.go	1.47 KB	-rw-r--r--
mapclear.go	1.49 KB	-rw-r--r--
maplinear.go	3.62 KB	-rw-r--r--
maymorestack.go	1.05 KB	-rw-r--r--
mergemul.go	3.16 KB	-rw-r--r--
method.go	5.24 KB	-rw-r--r--
method1.go	739 B	-rw-r--r--
method2.go	1.21 KB	-rw-r--r--
method3.go	570 B	-rw-r--r--
method4.go	230 B	-rw-r--r--
method5.go	6.73 KB	-rw-r--r--
method6.go	467 B	-rw-r--r--
method7.go	1.15 KB	-rw-r--r--
named.go	4.61 KB	-rw-r--r--
named1.go	984 B	-rw-r--r--
newinline.go	11.16 KB	-rw-r--r--
nil.go	2.23 KB	-rw-r--r--
nilcheck.go	3.67 KB	-rw-r--r--
nilptr.go	3.15 KB	-rw-r--r--
nilptr2.go	3.6 KB	-rw-r--r--
nilptr3.go	5.65 KB	-rw-r--r--
nilptr4.go	428 B	-rw-r--r--
nilptr5.go	844 B	-rw-r--r--
nilptr5_aix.go	806 B	-rw-r--r--
nilptr5_wasm.go	813 B	-rw-r--r--
nilptr_aix.go	3.09 KB	-rw-r--r--
noinit.go	6.79 KB	-rw-r--r--
nosplit.go	11.28 KB	-rw-r--r--
nowritebarrier.go	1.31 KB	-rw-r--r--
nul1.go	1.23 KB	-rw-r--r--
opt_branchlikely.go	2.08 KB	-rw-r--r--
parentype.go	424 B	-rw-r--r--
peano.go	2.22 KB	-rw-r--r--
phiopt.go	2.03 KB	-rw-r--r--
print.go	1.56 KB	-rw-r--r--
print.out	247 B	-rw-r--r--
printbig.go	315 B	-rw-r--r--
printbig.out	41 B	-rw-r--r--
prove.go	21.18 KB	-rw-r--r--
prove_constant_folding.go	604 B	-rw-r--r--
prove_invert_loop_with_unused_...	225 B	-rw-r--r--
range.go	8.14 KB	-rw-r--r--
range2.go	830 B	-rw-r--r--
range3.go	1.27 KB	-rw-r--r--
range4.go	5.11 KB	-rw-r--r--
rangegen.go	8.35 KB	-rw-r--r--
recover.go	10.64 KB	-rw-r--r--
recover1.go	2.5 KB	-rw-r--r--
recover2.go	1.22 KB	-rw-r--r--
recover3.go	1.64 KB	-rw-r--r--
recover4.go	2.2 KB	-rw-r--r--
recover5.go	408 B	-rw-r--r--
reflectmethod1.go	578 B	-rw-r--r--
reflectmethod2.go	719 B	-rw-r--r--
reflectmethod3.go	651 B	-rw-r--r--
reflectmethod4.go	573 B	-rw-r--r--
reflectmethod5.go	544 B	-rw-r--r--
reflectmethod6.go	555 B	-rw-r--r--
reflectmethod7.go	421 B	-rw-r--r--
reflectmethod8.go	479 B	-rw-r--r--
rename.go	1.52 KB	-rw-r--r--
rename1.go	1.14 KB	-rw-r--r--
reorder.go	2.28 KB	-rw-r--r--
reorder2.go	7.22 KB	-rw-r--r--
retjmp.go	252 B	-rw-r--r--
return.go	32.69 KB	-rw-r--r--
rotate.go	3.27 KB	-rw-r--r--
rotate0.go	286 B	-rw-r--r--
rotate1.go	286 B	-rw-r--r--
rotate2.go	286 B	-rw-r--r--
rotate3.go	286 B	-rw-r--r--
rune.go	603 B	-rw-r--r--
runtime.go	600 B	-rw-r--r--
shift1.go	9.43 KB	-rw-r--r--
shift2.go	1.31 KB	-rw-r--r--
shift3.go	834 B	-rw-r--r--
sieve.go	1 KB	-rw-r--r--
sigchld.go	381 B	-rw-r--r--
sigchld.out	17 B	-rw-r--r--
simassign.go	1.12 KB	-rw-r--r--
sizeof.go	2.95 KB	-rw-r--r--
slice3.go	2.92 KB	-rw-r--r--
slice3err.go	5.19 KB	-rw-r--r--
slicecap.go	1.85 KB	-rw-r--r--
sliceopt.go	735 B	-rw-r--r--
solitaire.go	2.9 KB	-rw-r--r--
stack.go	1.69 KB	-rw-r--r--
stackobj.go	975 B	-rw-r--r--
stackobj2.go	1.55 KB	-rw-r--r--
stackobj3.go	1.42 KB	-rw-r--r--
strcopy.go	674 B	-rw-r--r--
strength.go	1.02 KB	-rw-r--r--
string_lit.go	3.58 KB	-rw-r--r--
stringrange.go	1.45 KB	-rw-r--r--
struct0.go	565 B	-rw-r--r--
switch.go	6.53 KB	-rw-r--r--
switch2.go	775 B	-rw-r--r--
switch3.go	1.24 KB	-rw-r--r--
switch4.go	526 B	-rw-r--r--
switch5.go	2.25 KB	-rw-r--r--
switch6.go	1.13 KB	-rw-r--r--
switch7.go	796 B	-rw-r--r--
tighten.go	513 B	-rw-r--r--
tinyfin.go	1.57 KB	-rw-r--r--
torture.go	7.69 KB	-rw-r--r--
turing.go	893 B	-rw-r--r--
typecheck.go	543 B	-rw-r--r--
typecheckloop.go	528 B	-rw-r--r--
typeswitch.go	1.83 KB	-rw-r--r--
typeswitch1.go	1.6 KB	-rw-r--r--
typeswitch2.go	655 B	-rw-r--r--
typeswitch2b.go	598 B	-rw-r--r--
typeswitch3.go	999 B	-rw-r--r--
uintptrescapes.go	250 B	-rw-r--r--
uintptrescapes2.go	2.16 KB	-rw-r--r--
uintptrescapes3.go	1.28 KB	-rw-r--r--
uintptrkeepalive.go	297 B	-rw-r--r--
undef.go	758 B	-rw-r--r--
unsafe_slice_data.go	481 B	-rw-r--r--
unsafe_string.go	367 B	-rw-r--r--
unsafe_string_data.go	479 B	-rw-r--r--
unsafebuiltins.go	2.33 KB	-rw-r--r--
used.go	5.96 KB	-rw-r--r--
utf.go	1.19 KB	-rw-r--r--
varerr.go	449 B	-rw-r--r--
varinit.go	509 B	-rw-r--r--
winbatch.go	1.97 KB	-rw-r--r--
writebarrier.go	5.88 KB	-rw-r--r--
zerodivide.go	5.71 KB	-rw-r--r--
zerosize.go	814 B	-rw-r--r--

Code Editor : escape_reflect.go

// errorcheck -0 -m -l

// 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.

// Test escape analysis for reflect Value operations.

package escape

import (
	"reflect"
	"unsafe"
)

var sink interface{}

func typ(x int) any {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Type()
}

func kind(x int) reflect.Kind {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Kind()
}

func int1(x int) int {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return int(v.Int())
}

func ptr(x *int) *int { // ERROR "leaking param: x to result ~r0 level=0"
	v := reflect.ValueOf(x)
	return (*int)(v.UnsafePointer())
}

func bytes1(x []byte) byte { // ERROR "x does not escape"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Bytes()[0]
}

// Unfortunate: should only escape content. x (the interface storage) should not escape.
func bytes2(x []byte) []byte { // ERROR "leaking param: x$"
	v := reflect.ValueOf(x) // ERROR "x escapes to heap"
	return v.Bytes()
}

func string1(x string) string { // ERROR "leaking param: x to result ~r0 level=0"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.String()
}

func string2(x int) string {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.String()
}

// Unfortunate: should only escape to result.
func interface1(x any) any { // ERROR "leaking param: x$"
	v := reflect.ValueOf(x)
	return v.Interface()
}

func interface2(x int) any {
	v := reflect.ValueOf(x) // ERROR "x escapes to heap"
	return v.Interface()
}

// Unfortunate: should not escape.
func interface3(x int) int {
	v := reflect.ValueOf(x) // ERROR "x escapes to heap"
	return v.Interface().(int)
}

// Unfortunate: should only escape to result.
func interface4(x *int) any { // ERROR "leaking param: x$"
	v := reflect.ValueOf(x)
	return v.Interface()
}

func addr(x *int) reflect.Value { // ERROR "leaking param: x to result ~r0 level=0"
	v := reflect.ValueOf(x).Elem()
	return v.Addr()
}

// functions returning pointer as uintptr have to escape.
func uintptr1(x *int) uintptr { // ERROR "leaking param: x$"
	v := reflect.ValueOf(x)
	return v.Pointer()
}

func unsafeaddr(x *int) uintptr { // ERROR "leaking param: x$"
	v := reflect.ValueOf(x).Elem()
	return v.UnsafeAddr()
}

func ifacedata(x any) [2]uintptr { // ERROR "moved to heap: x"
	v := reflect.ValueOf(&x).Elem()
	return v.InterfaceData()
}

func can(x int) bool {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.CanAddr() || v.CanInt() || v.CanSet() || v.CanInterface()
}

func is(x int) bool {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.IsValid() || v.IsNil() || v.IsZero()
}

func is2(x [2]int) bool {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.IsValid() || v.IsNil() || v.IsZero()
}

func is3(x struct{ a, b int }) bool {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.IsValid() || v.IsNil() || v.IsZero()
}

func overflow(x int) bool {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.OverflowInt(1 << 62)
}

func len1(x []int) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Len()
}

func len2(x [3]int) int {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Len()
}

func len3(x string) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Len()
}

func len4(x map[int]int) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x)
	return v.Len()
}

func len5(x chan int) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x)
	return v.Len()
}

func cap1(x []int) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Cap()
}

func cap2(x [3]int) int {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Cap()
}

func cap3(x chan int) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x)
	return v.Cap()
}

func setlen(x *[]int, n int) { // ERROR "x does not escape"
	v := reflect.ValueOf(x).Elem()
	v.SetLen(n)
}

func setcap(x *[]int, n int) { // ERROR "x does not escape"
	v := reflect.ValueOf(x).Elem()
	v.SetCap(n)
}

// Unfortunate: x doesn't need to escape to heap, just to result.
func slice1(x []byte) []byte { // ERROR "leaking param: x$"
	v := reflect.ValueOf(x) // ERROR "x escapes to heap"
	return v.Slice(1, 2).Bytes()
}

// Unfortunate: x doesn't need to escape to heap, just to result.
func slice2(x string) string { // ERROR "leaking param: x$"
	v := reflect.ValueOf(x) // ERROR "x escapes to heap"
	return v.Slice(1, 2).String()
}

func slice3(x [10]byte) []byte {
	v := reflect.ValueOf(x) // ERROR "x escapes to heap"
	return v.Slice(1, 2).Bytes()
}

func elem1(x *int) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x)
	return int(v.Elem().Int())
}

func elem2(x *string) string { // ERROR "leaking param: x to result ~r0 level=1"
	v := reflect.ValueOf(x)
	return string(v.Elem().String())
}

type S struct {
	A int
	B *int
	C string
}

func (S) M() {}

func field1(x S) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return int(v.Field(0).Int())
}

func field2(x S) string { // ERROR "leaking param: x to result ~r0 level=0"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Field(2).String()
}

func numfield(x S) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.NumField()
}

func index1(x []int) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return int(v.Index(0).Int())
}

// Unfortunate: should only leak content (level=1)
func index2(x []string) string { // ERROR "leaking param: x to result ~r0 level=0"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Index(0).String()
}

func index3(x [3]int) int {
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return int(v.Index(0).Int())
}

func index4(x [3]string) string { // ERROR "leaking param: x to result ~r0 level=0"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Index(0).String()
}

func index5(x string) byte { // ERROR "x does not escape"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return byte(v.Index(0).Uint())
}

// Unfortunate: x (the interface storage) doesn't need to escape as the function takes a scalar arg.
func call1(f func(int), x int) { // ERROR "leaking param: f$"
	fv := reflect.ValueOf(f)
	v := reflect.ValueOf(x)     // ERROR "x escapes to heap"
	fv.Call([]reflect.Value{v}) // ERROR "\[\]reflect\.Value{\.\.\.} does not escape"
}

func call2(f func(*int), x *int) { // ERROR "leaking param: f$" "leaking param: x$"
	fv := reflect.ValueOf(f)
	v := reflect.ValueOf(x)
	fv.Call([]reflect.Value{v}) // ERROR "\[\]reflect.Value{\.\.\.} does not escape"
}

func method(x S) reflect.Value { // ERROR "leaking param: x$"
	v := reflect.ValueOf(x) // ERROR "x escapes to heap"
	return v.Method(0)
}

func nummethod(x S) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.NumMethod()
}

// Unfortunate: k doesn't need to escape.
func mapindex(m map[string]string, k string) string { // ERROR "m does not escape" "leaking param: k$"
	mv := reflect.ValueOf(m)
	kv := reflect.ValueOf(k) // ERROR "k escapes to heap"
	return mv.MapIndex(kv).String()
}

func mapkeys(m map[string]string) []reflect.Value { // ERROR "m does not escape"
	mv := reflect.ValueOf(m)
	return mv.MapKeys()
}

func mapiter1(m map[string]string) *reflect.MapIter { // ERROR "leaking param: m$"
	mv := reflect.ValueOf(m)
	return mv.MapRange()
}

func mapiter2(m map[string]string) string { // ERROR "leaking param: m$"
	mv := reflect.ValueOf(m)
	it := mv.MapRange()
	if it.Next() {
		return it.Key().String()
	}
	return ""
}

func mapiter3(m map[string]string, it *reflect.MapIter) { // ERROR "leaking param: m$" "it does not escape"
	mv := reflect.ValueOf(m)
	it.Reset(mv)
}

func recv1(ch chan string) string { // ERROR "ch does not escape"
	v := reflect.ValueOf(ch)
	r, _ := v.Recv()
	return r.String()
}

func recv2(ch chan string) string { // ERROR "ch does not escape"
	v := reflect.ValueOf(ch)
	r, _ := v.TryRecv()
	return r.String()
}

// Unfortunate: x (the interface storage) doesn't need to escape.
func send1(ch chan string, x string) { // ERROR "ch does not escape" "leaking param: x$"
	vc := reflect.ValueOf(ch)
	vx := reflect.ValueOf(x) // ERROR "x escapes to heap"
	vc.Send(vx)
}

// Unfortunate: x (the interface storage) doesn't need to escape.
func send2(ch chan string, x string) bool { // ERROR "ch does not escape" "leaking param: x$"
	vc := reflect.ValueOf(ch)
	vx := reflect.ValueOf(x) // ERROR "x escapes to heap"
	return vc.TrySend(vx)
}

func close1(ch chan string) { // ERROR "ch does not escape"
	v := reflect.ValueOf(ch)
	v.Close()
}

func select1(ch chan string) string { // ERROR "leaking param: ch$"
	v := reflect.ValueOf(ch)
	cas := reflect.SelectCase{Dir: reflect.SelectRecv, Chan: v}
	_, r, _ := reflect.Select([]reflect.SelectCase{cas}) // ERROR "\[\]reflect.SelectCase{...} does not escape"
	return r.String()
}

// Unfortunate: x (the interface storage) doesn't need to escape.
func select2(ch chan string, x string) { // ERROR "leaking param: ch$" "leaking param: x$"
	vc := reflect.ValueOf(ch)
	vx := reflect.ValueOf(x) // ERROR "x escapes to heap"
	cas := reflect.SelectCase{Dir: reflect.SelectSend, Chan: vc, Send: vx}
	reflect.Select([]reflect.SelectCase{cas}) // ERROR "\[\]reflect.SelectCase{...} does not escape"
}

var (
	intTyp    = reflect.TypeOf(int(0))     // ERROR "0 does not escape"
	uintTyp   = reflect.TypeOf(uint(0))    // ERROR "uint$0$ does not escape"
	stringTyp = reflect.TypeOf(string("")) // ERROR ".. does not escape"
	bytesTyp  = reflect.TypeOf([]byte{})   // ERROR "\[\]byte{} does not escape"
)

// Unfortunate: should not escape.
func convert1(x int) uint {
	v := reflect.ValueOf(x) // ERROR "x escapes to heap"
	return uint(v.Convert(uintTyp).Uint())
}

// Unfortunate: should only escape content to result.
func convert2(x []byte) string { // ERROR "leaking param: x$"
	v := reflect.ValueOf(x) // ERROR "x escapes to heap"
	return v.Convert(stringTyp).String()
}

// Unfortunate: v doesn't need to leak, x (the interface storage) doesn't need to escape.
func set1(v reflect.Value, x int) { // ERROR "leaking param: v$"
	vx := reflect.ValueOf(x) // ERROR "x escapes to heap"
	v.Set(vx)
}

// Unfortunate: a can be stack allocated, x (the interface storage) doesn't need to escape.
func set2(x int) int64 {
	var a int // ERROR "moved to heap: a"
	v := reflect.ValueOf(&a).Elem()
	vx := reflect.ValueOf(x) // ERROR "x escapes to heap"
	v.Set(vx)
	return v.Int()
}

func set3(v reflect.Value, x int) { // ERROR "v does not escape"
	v.SetInt(int64(x))
}

func set4(x int) int {
	var a int
	v := reflect.ValueOf(&a).Elem() // a should not escape, no error printed
	v.SetInt(int64(x))
	return int(v.Int())
}

func set5(v reflect.Value, x string) { // ERROR "v does not escape" "leaking param: x$"
	v.SetString(x)
}

func set6(v reflect.Value, x []byte) { // ERROR "v does not escape" "leaking param: x$"
	v.SetBytes(x)
}

func set7(v reflect.Value, x unsafe.Pointer) { // ERROR "v does not escape" "leaking param: x$"
	v.SetPointer(x)
}

func setmapindex(m map[string]string, k, e string) { // ERROR "m does not escape" "leaking param: k$" "leaking param: e$"
	mv := reflect.ValueOf(m)
	kv := reflect.ValueOf(k) // ERROR "k escapes to heap"
	ev := reflect.ValueOf(e) // ERROR "e escapes to heap"
	mv.SetMapIndex(kv, ev)
}

// Unfortunate: k doesn't need to escape.
func mapdelete(m map[string]string, k string) { // ERROR "m does not escape" "leaking param: k$"
	mv := reflect.ValueOf(m)
	kv := reflect.ValueOf(k) // ERROR "k escapes to heap"
	mv.SetMapIndex(kv, reflect.Value{})
}

// Unfortunate: v doesn't need to leak.
func setiterkey1(v reflect.Value, it *reflect.MapIter) { // ERROR "leaking param: v$" "it does not escape"
	v.SetIterKey(it)
}

// Unfortunate: v doesn't need to leak.
func setiterkey2(v reflect.Value, m map[string]string) { // ERROR "leaking param: v$" "leaking param: m$"
	it := reflect.ValueOf(m).MapRange()
	v.SetIterKey(it)
}

// Unfortunate: v doesn't need to leak.
func setitervalue1(v reflect.Value, it *reflect.MapIter) { // ERROR "leaking param: v$" "it does not escape"
	v.SetIterValue(it)
}

// Unfortunate: v doesn't need to leak.
func setitervalue2(v reflect.Value, m map[string]string) { // ERROR "leaking param: v$" "leaking param: m$"
	it := reflect.ValueOf(m).MapRange()
	v.SetIterValue(it)
}

// Unfortunate: s doesn't need escape, only leak to result.
// And x (interface storage) doesn't need to escape.
func append1(s []int, x int) []int { // ERROR "leaking param: s$"
	sv := reflect.ValueOf(s)     // ERROR "s escapes to heap"
	xv := reflect.ValueOf(x)     // ERROR "x escapes to heap"
	rv := reflect.Append(sv, xv) // ERROR "... argument does not escape"
	return rv.Interface().([]int)
}

// Unfortunate: s doesn't need escape, only leak to result.
func append2(s, x []int) []int { // ERROR "leaking param: s$" "x does not escape"
	sv := reflect.ValueOf(s) // ERROR "s escapes to heap"
	xv := reflect.ValueOf(x) // ERROR "x does not escape"
	rv := reflect.AppendSlice(sv, xv)
	return rv.Interface().([]int)
}

${this.title}

Code Editor : escape_reflect.go