{"id":281309,"date":"2016-11-22T09:00:03","date_gmt":"2016-11-22T06:00:03","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=281309"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=281309","title":{"rendered":"Type assertation without allocations"},"content":{"rendered":"<p>\u0412\u0441\u0435\u043c \u043f\u0440\u0438\u0432\u0435\u0442. \u0412 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u043a \u043c\u043e\u0435\u0439 <a href=\"https:\/\/habrahabr.ru\/post\/315566\/\">\u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0435\u0439<\/a> \u0441\u0442\u0430\u0442\u044c\u0435 \u0431\u044b\u043b \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u0439 \u0434\u0438\u0430\u043b\u043e\u0433 \u0441  <a href=\"https:\/\/habrahabr.ru\/users\/kirill_danshin\/\" class=\"user_link\">kirill_danshin<\/a>.<br \/>  \u0412 \u043a\u043e\u043d\u0446\u0435 \u043a\u043e\u043d\u0446\u043e\u0432 \u043c\u044b \u044d\u0442\u043e \u0441\u0434\u0435\u043b\u0430\u043b\u0438. \u0412\u0441\u0442\u0440\u0435\u0447\u0430\u0439\u0442\u0435 \u2014 efaceconv, \u0442\u0443\u043b\u0437\u0430 \u0434\u043b\u044f go generate, \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442\u044c \u0442\u0438\u043f\u044b \u0438\u0437 interface{} \u0431\u0435\u0437 \u0430\u043b\u043b\u043e\u043a\u0430\u0446\u0438\u0439 \u0438 \u0432 ~4 \u0440\u0430\u0437\u0430 \u0431\u044b\u0441\u0442\u0440\u0435\u0435.<br \/>  <a href=\"https:\/\/github.com\/t0pep0\/efaceconv\">https:\/\/github.com\/t0pep0\/efaceconv<\/a><br \/>  <a name=\"habracut\"><\/a><\/p>\n<h4>\u041a\u0430\u043a \u0441 \u044d\u0442\u0438\u043c \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c?<\/h4>\n<p>  \u0412\u0441\u0451 \u043f\u0440\u043e\u0441\u0442\u043e:  <\/p>\n<ol>\n<li>\u0423\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442\u0435: go get github.com\/t0pep0\/efaceconv <\/li>\n<li>\u0414\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u0442\u0435 \u0432 \u0412\u0430\u0448\u0438 \u0438\u0441\u0445\u043e\u0434\u043d\u0438\u043a\u0438 \u0432\u044b\u0437\u043e\u0432 go generate \/\/go:generate efaceconv <\/li>\n<li>\u041e\u043f\u0438\u0441\u044b\u0432\u0430\u0439\u0442\u0435 \u0442\u0438\u043f\u044b, \u043a\u043e\u043d\u0432\u0435\u0440\u0442\u0430\u0446\u0438\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c (\u043e\u0431 \u044d\u0442\u043e\u043c \u043d\u0438\u0436\u0435) <\/li>\n<li>\u0417\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442\u0435 go generate \u0438 \u043d\u0430\u0441\u043b\u0430\u0436\u0434\u0430\u0435\u0442\u0435\u0441\u044c (\u0417.\u042b. \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0431\u043e\u043d\u0443\u0441\u0430 \u2014 \u0442\u0435\u0441\u0442\u044b \u0441 100% \u043f\u043e\u043a\u0440\u044b\u0442\u0438\u0435\u043c \u043d\u0430 \u0441\u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043a\u043e\u0434) <\/li>\n<\/ol>\n<h4> \u041a\u0430\u043a \u043e\u043f\u0438\u0441\u0430\u0442\u044c \u0442\u0438\u043f\u044b <\/h4>\n<p>  \u041e\u043f\u044f\u0442\u044c \u0442\u0430\u043a\u0438 \u0432\u0441\u0451 \u043f\u0440\u043e\u0441\u0442\u043e. \u0422\u0438\u043f\u044b \u043e\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0432 \u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f\u0445. \u0424\u043e\u0440\u043c\u0430\u0442 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u0432\u043e\u0442 \u0442\u0430\u043a\u043e\u0439:<br \/>  \/\/ec: \u0418\u043c\u044f \u043f\u0430\u043a\u0435\u0442\u0430(\u0415\u0441\u043b\u0438 \u043d\u0443\u0436\u043d\u043e): \u0422\u0438\u043f: \u041a\u0430\u0441\u0442\u043e\u043c\u043d\u043e\u0435 \u0438\u043c\u044f<br \/>  \u041f\u0440\u0438\u043c\u0435\u0440:  <\/p>\n<pre><code class=\"go\">\/\/ec:net\/http:http.ResponseWriter:ResWriter \/\/ec::string:String<\/code><\/pre>\n<p>  \u041f\u043e\u0441\u043b\u0435 \u0442\u043e\u0433\u043e, \u043a\u0430\u043a go generate \u043e\u0442\u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0432 \u0434\u0438\u0440\u0435\u043a\u0442\u043e\u0440\u0438\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 \u043f\u043e\u044f\u0432\u0438\u0442\u0441\u044f 2 \u043d\u043e\u0432\u044b\u0445 \u0444\u0430\u0439\u043b\u0430:<br \/>  efaceconv_generated.go \u2014 \u0441\u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043c\u0435\u0442\u043e\u0434\u044b<br \/>  efaceconv_generated_test.go \u2014 \u0442\u0435\u0441\u0442\u044b \u0438 \u0431\u0435\u043d\u0447\u043c\u0430\u0440\u043a\u0438 \u0434\u043b\u044f \u043d\u0438\u0445<\/p>\n<p>  \u041f\u0440\u0438\u043c\u0435\u0440 demo.go:  <\/p>\n<pre><code class=\"go\"> \/\/go:generate efaceconv \/\/ec::string:String \/\/ec::[]uint64:SUint64 package demo <\/code><\/pre>\n<p>  efaceconv_generated.go:  <\/p>\n<pre><code class=\"go\"> \/\/generated by efaceconv DO NOT EDIT! package demo  import (   &quot;github.com\/t0pep0\/efaceconv\/ecutils&quot; )  var (   _StringKind uintptr   _SUint64Kind uintptr )  func init(){   var sString string   _StringKind = ecutils.GetKind(sString)    var sSUint64 []uint64   _SUint64Kind = ecutils.GetKind(sSUint64)  }   \/\/ Eface2String returns pointer to string and true if arg is a string \/\/ or nil and false otherwise func Eface2String(arg interface{}) (*string, bool) {         if ecutils.GetKind(arg) == _StringKind {                 return (*string)(ecutils.GetDataPtr(arg)), true         }         return nil, false }   \/\/ Eface2SUint64 returns pointer to []uint64 and true if arg is a string \/\/ or nil and false otherwise func Eface2SUint64(arg interface{}) (*[]uint64, bool) {         if ecutils.GetKind(arg) == _SUint64Kind {                 return (*[]uint64)(ecutils.GetDataPtr(arg)), true         }         return nil, false } <\/code><\/pre>\n<p>  efaceconv_generated_test.go:  <\/p>\n<pre><code class=\"go\"> \/\/generated by efaceconv DO NOT EDIT! package demo  import (   &quot;reflect&quot;   &quot;testing&quot; )   func TestEface2String(t *testing.T) {   var String  string \tres, ok := Eface2String(String) \tif !ok { \t\tt.Error(&quot;Wrong type!&quot;) \t} \tif !reflect.DeepEqual(*res, String) { \t\tt.Error(&quot;Not equal&quot;) \t} \t_, ok = Eface2String(ok) \tif ok { \t\tt.Error(&quot;Wrong type!&quot;) \t} }   func benchmarkEface2String(b *testing.B) {   var String string \tvar v *string \tvar ok bool \tfor n := 0; n &lt; b.N; n++ { \t\tv, ok = Eface2String(String) \t} \tb.Log(v, ok) \/\/For don't use compiler optimization }  func _StringClassic(arg interface{}) (v string, ok bool) { \tv, ok = arg.(string) \treturn v, ok }  func benchmarkStringClassic(b *testing.B) {   var String string   var v string \tvar ok bool \tfor n := 0; n &lt; b.N; n++ { \t\tv, ok = _StringClassic(String) \t} \tb.Log(v, ok) \/\/For don't use compiler optimization }    func TestEface2SUint64(t *testing.T) {   var SUint64  []uint64 \tres, ok := Eface2SUint64(SUint64) \tif !ok { \t\tt.Error(&quot;Wrong type!&quot;) \t} \tif !reflect.DeepEqual(*res, SUint64) { \t\tt.Error(&quot;Not equal&quot;) \t} \t_, ok = Eface2SUint64(ok) \tif ok { \t\tt.Error(&quot;Wrong type!&quot;) \t} }   func benchmarkEface2SUint64(b *testing.B) {   var SUint64 []uint64 \tvar v *[]uint64 \tvar ok bool \tfor n := 0; n &lt; b.N; n++ { \t\tv, ok = Eface2SUint64(SUint64) \t} \tb.Log(v, ok) \/\/For don't use compiler optimization }  func _SUint64Classic(arg interface{}) (v []uint64, ok bool) { \tv, ok = arg.([]uint64) \treturn v, ok }  func benchmarkSUint64Classic(b *testing.B) {   var SUint64 []uint64   var v []uint64 \tvar ok bool \tfor n := 0; n &lt; b.N; n++ { \t\tv, ok = _SUint64Classic(SUint64) \t} \tb.Log(v, ok) \/\/For don't use compiler optimization } <\/code><\/pre>\n<p>  \u041a\u0430\u043a \u043c\u043e\u0436\u043d\u043e \u0443\u0432\u0438\u0434\u0435\u0442\u044c efaceconv \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u0442 \u043c\u0435\u0442\u043e\u0434\u044b \u0432\u0438\u0434\u0430<br \/>  Eface2&lt;\u041d\u0430\u0448\u0435 \u043a\u0430\u0441\u0442\u043e\u043c\u043d\u043e\u0435 \u0438\u043c\u044f&gt;(arg interface{}) (*&lt;\u041d\u0430\u0448 \u0442\u0438\u043f&gt;, bool)<br \/>  \u0412\u043c\u0435\u0441\u0442\u0435 \u0441 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0435\u0439 \u043a \u043d\u0438\u043c, \u0442\u0435\u0441\u0442\u0430\u043c\u0438 \u0438 \u0431\u0435\u043d\u0447\u043c\u0430\u0440\u043a\u0430\u043c\u0438, \u0442\u0430\u043a\u0436\u0435 \u0431\u0435\u043d\u0447\u043c\u0430\u0440\u043a\u0438 \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u044e\u0442\u0441\u044f \u0438 \u0434\u043b\u044f \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0442\u0438\u043f\u0430 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u0438\u044f ( v, ok := arg.(type) ) \u0447\u0442\u043e \u0431\u044b \u0431\u044b\u043b\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u0440\u0430\u0432\u043d\u0438\u0442\u044c \u0432\u044b\u0438\u0433\u0440\u044b\u0448 \u0432 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438.<\/p>\n<h4> \u041a\u0430\u043a \u044d\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 <\/h4>\n<p>  \u041a\u0430\u043a \u043c\u044b \u0437\u043d\u0430\u0435\u043c (\u0438\u0437 \u043c\u043e\u0435\u0439 <a href=\"https:\/\/habrahabr.ru\/post\/315260\/\">\u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0435\u0439<\/a> \u0441\u0442\u0430\u0442\u044c\u0438) \u043f\u0443\u0441\u0442\u044b\u0435 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u044b \u044d\u0442\u043e \u043f\u0440\u043e\u0441\u0442\u043e \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u0441 \u0434\u0432\u0443\u043c\u044f \u043f\u043e\u043b\u044f\u043c\u0438 \u2014 *TypeDescriptor \u0438 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c \u043d\u0430 \u043e\u0431\u044a\u0435\u043a\u0442. TypeDescriptor \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0432 runtime, \u0432 \u0435\u0434\u0438\u043d\u0438\u0447\u043d\u043e\u043c \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0435 \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0442\u0438\u043f\u0430, \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043f\u0443\u0441\u0442\u044b\u0445 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432 \u043e\u0442 \u043e\u0434\u043d\u043e\u0433\u043e \u0442\u0438\u043f\u0430 *TypeDescriptor \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0432\u0435\u043d \u0438 \u043d\u0435\u0442 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0440\u0430\u0437\u0431\u0438\u0440\u0430\u0442\u044c \u0441\u0430\u043c TypeDescriptor. \u041c\u044b \u043c\u043e\u0436\u0435\u043c \u043f\u0440\u043e\u0441\u0442\u043e \u0441\u0440\u0430\u0432\u043d\u0438\u0432\u0430\u0442\u044c \u0447\u0438\u0441\u043b\u043e\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f, \u0430 \u0443\u0436\u0435 \u043f\u0440\u0438 \u0441\u043e\u0432\u043f\u0430\u0434\u0435\u043d\u0438\u0438 \u0438\u0445 \u043c\u043e\u0436\u0435\u043c \u0432\u0435\u0440\u043d\u0443\u0442\u044c \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c \u043d\u0430 \u043e\u0431\u044a\u0435\u043a\u0442 \u0431\u0443\u0434\u0443\u0447\u0438 \u0443\u0432\u0435\u0440\u0435\u043d\u043d\u044b\u043c\u0438 \u0447\u0442\u043e \u043e\u043d \u0438\u043c\u0435\u0435\u0442 \u043d\u0443\u0436\u043d\u044b\u0439 \u043d\u0430\u043c \u0442\u0438\u043f.<\/p>\n<h4> \u041f\u043e\u0447\u0435\u043c\u0443 \u044d\u0442\u043e \u0431\u044b\u0441\u0442\u0440\u0435\u0435 \u0447\u0435\u043c \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434? <\/h4>\n<p>  \u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u0439 \u043c\u0435\u0442\u043e\u0434 \u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0442\u0438\u043f\u0430 \u043f\u043e\u0441\u043b\u0435 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044f TypeDescriptor&#8217;\u043e\u0432 \u043a\u043e\u043f\u0438\u0440\u0443\u0435\u0442 \u0434\u0430\u043d\u043d\u044b\u0435 \u043f\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044e, \u043c\u044b \u0436\u0435 \u043f\u0440\u043e\u0441\u0442\u043e \u043e\u0442\u0434\u0430\u0435\u043c \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c \u043d\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0439 \u043e\u0431\u044a\u0435\u043a\u0442<\/p>\n<h4> \u0422\u043e\u0433\u0434\u0430 \u043f\u043e\u0447\u0435\u043c\u0443 \u0442\u0430\u043a \u043d\u0435 \u0441\u0434\u0435\u043b\u0430\u043b\u0438 \u0430\u0432\u0442\u043e\u0440\u044b Go? <\/h4>\n<p>  \u042d\u0442\u043e \u043d\u0435 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e. \u0422\u043e\u0447\u043d\u0435\u0435 \u043d\u0435 \u0442\u0430\u043a, \u044d\u0442\u043e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e \u0440\u043e\u0432\u043d\u043e \u0434\u043e \u0442\u0435\u0445 \u043f\u043e\u0440, \u043f\u043e\u043a\u0430 \u0432\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0435 \u0438\u043c\u043c\u0443\u0442\u0430\u0431\u0435\u043b\u044c\u043d\u044b\u0435 \u0442\u0438\u043f\u044b \u0434\u0430\u043d\u043d\u044b\u0445 (\u0441\u0442\u0440\u043e\u043a\u0438, \u0441\u043b\u0430\u0439\u0441\u044b, \u043c\u0430\u0441\u0441\u0438\u0432\u044b). \u0412 \u0441\u043b\u0443\u0447\u0430\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0435 \u0438\u043c\u043c\u0443\u0442\u0430\u0431\u0435\u043b\u044c\u043d\u044b\u0445 \u0442\u0438\u043f\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445, \u043f\u0440\u0438 \u043d\u0435 \u0430\u043a\u043a\u0443\u0440\u0430\u0442\u043d\u043e\u043c \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u0438 \u043a\u043e\u0434\u0430, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b \u0441\u043b\u0430\u0439\u0434 \u044d\u0444\u0444\u0435\u043a\u0442\u044b.<\/p>\n<h4> \u0413\u0434\u0435-\u0442\u043e \u0443\u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f? <\/h4>\n<p> <a href=\"https:\/\/habrahabr.ru\/users\/kirill_danshin\/\" class=\"user_link\">kirill_danshin<\/a> \u0432\u043d\u0435\u0434\u0440\u0438\u043b \u043f\u0435\u0440\u0432\u0443\u044e \u0432\u0435\u0440\u0441\u0438\u044e \u0443 \u0441\u0435\u0431\u044f \u0432 \u043f\u0440\u043e\u0434\u0430\u043a\u0448\u0435\u043d\u0435, \u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430\u0445 \u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u043d\u043e \u043d\u0435 \u0437\u043d\u0430\u044e, \u043d\u043e \u0441\u0443\u0434\u044f \u043f\u043e <a href=\"https:\/\/github.com\/t0pep0\/efaceconv\/commits\/master?author=kirillDanshin\">\u043a\u043e\u043c\u043c\u0438\u0442\u0430\u043c<\/a> \u043e\u043d \u0434\u043e\u0432\u043e\u043b\u0435\u043d<\/p>\n<h4> \u0410 \u0433\u0434\u0435 \u0446\u0438\u0444\u0440\u044b? \u041f\u0440\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0438 \u0430\u043b\u043b\u043e\u043a\u0430\u0446\u0438\u0438 <\/h4>\n<p>  <\/p>\n<pre><code>BenchmarkEface2SByte-4          100000000               11.8 ns\/op             0 B\/op          0 allocs\/op --- BENCH: BenchmarkEface2SByte-4         efaceconv_generated_test.go:33: &[] true         efaceconv_generated_test.go:33: &[] true         efaceconv_generated_test.go:33: &[] true         efaceconv_generated_test.go:33: &[] true         efaceconv_generated_test.go:33: &[] true BenchmarkSByteClassic-4         30000000                50.4 ns\/op            32 B\/op          1 allocs\/op --- BENCH: BenchmarkSByteClassic-4         efaceconv_generated_test.go:48: [] true         efaceconv_generated_test.go:48: [] true         efaceconv_generated_test.go:48: [] true         efaceconv_generated_test.go:48: [] true         efaceconv_generated_test.go:48: [] true BenchmarkEface2String-4         100000000               11.1 ns\/op             0 B\/op          0 allocs\/op --- BENCH: BenchmarkEface2String-4         efaceconv_generated_test.go:76: 0xc42003fee8 true         efaceconv_generated_test.go:76: 0xc420043ea8 true         efaceconv_generated_test.go:76: 0xc420043ea8 true         efaceconv_generated_test.go:76: 0xc420043ea8 true         efaceconv_generated_test.go:76: 0xc420043ea8 true BenchmarkStringClassic-4        30000000                45.3 ns\/op            16 B\/op          1 allocs\/op --- BENCH: BenchmarkStringClassic-4         efaceconv_generated_test.go:91:  true         efaceconv_generated_test.go:91:  true         efaceconv_generated_test.go:91:  true         efaceconv_generated_test.go:91:  true         efaceconv_generated_test.go:91:  true BenchmarkEface2SInt-4           100000000               11.6 ns\/op             0 B\/op          0 allocs\/op --- BENCH: BenchmarkEface2SInt-4         efaceconv_generated_test.go:119: &[] true         efaceconv_generated_test.go:119: &[] true         efaceconv_generated_test.go:119: &[] true         efaceconv_generated_test.go:119: &[] true         efaceconv_generated_test.go:119: &[] true BenchmarkSIntClassic-4          30000000                50.5 ns\/op            32 B\/op          1 allocs\/op --- BENCH: BenchmarkSIntClassic-4         efaceconv_generated_test.go:134: [] true         efaceconv_generated_test.go:134: [] true         efaceconv_generated_test.go:134: [] true         efaceconv_generated_test.go:134: [] true         efaceconv_generated_test.go:134: [] true PASS <\/code><\/pre>\n<h4> \u0417\u043b\u043e\u0434\u0435\u0438! \u042f \u0441\u0434\u0435\u043b\u0430\u043b \u0432\u0441\u0451 \u043a\u0430\u043a \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0434\u043b\u044f int64 \u0438 \u0443 \u043c\u0435\u043d\u044f \u043f\u043e\u044f\u0432\u0438\u043b\u043e\u0441\u044c \u0441\u0442\u0440\u0430\u043d\u043d\u043e\u0435 \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u0432 \u043a\u043e\u0434\u0435! <\/h4>\n<p>  <abbr title=\"\u0421\u0430\u043c \u0421\u0435\u0431\u0435 \u0417\u043b\u043e\u0431\u043d\u044b\u0439 \u0411\u0443\u0440\u0430\u0442\u0438\u043d\u043e\">\u0421\u0421\u0417\u0411<\/abbr><br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habrahabr.ru\/post\/315752\/\"> https:\/\/habrahabr.ru\/post\/315752\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0412\u0441\u0435\u043c \u043f\u0440\u0438\u0432\u0435\u0442. \u0412 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u043a \u043c\u043e\u0435\u0439 <a href=\"https:\/\/habrahabr.ru\/post\/315566\/\">\u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0435\u0439<\/a> \u0441\u0442\u0430\u0442\u044c\u0435 \u0431\u044b\u043b \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u0439 \u0434\u0438\u0430\u043b\u043e\u0433 \u0441  <a href=\"https:\/\/habrahabr.ru\/users\/kirill_danshin\/\" class=\"user_link\">kirill_danshin<\/a>.<br \/>  \u0412 \u043a\u043e\u043d\u0446\u0435 \u043a\u043e\u043d\u0446\u043e\u0432 \u043c\u044b \u044d\u0442\u043e \u0441\u0434\u0435\u043b\u0430\u043b\u0438. \u0412\u0441\u0442\u0440\u0435\u0447\u0430\u0439\u0442\u0435 \u2014 efaceconv, \u0442\u0443\u043b\u0437\u0430 \u0434\u043b\u044f go generate, \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442\u044c \u0442\u0438\u043f\u044b \u0438\u0437 interface{} \u0431\u0435\u0437 \u0430\u043b\u043b\u043e\u043a\u0430\u0446\u0438\u0439 \u0438 \u0432 ~4 \u0440\u0430\u0437\u0430 \u0431\u044b\u0441\u0442\u0440\u0435\u0435.<br \/>  <a href=\"https:\/\/github.com\/t0pep0\/efaceconv\">https:\/\/github.com\/t0pep0\/efaceconv<\/a>  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-281309","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/281309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=281309"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/281309\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=281309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=281309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=281309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}