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Merge pull request #769 from devlights/add-results-in-example
2 parents a3028b1 + edb7a33 commit 782c23c

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‎examples/basic/structs/README.md‎

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@@ -2,15 +2,15 @@
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このディレクトリには以下のサンプルがあります。
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| file | example name | note |
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|------------------------------|-----------------------------------------|-------------------------------------------------------------------|
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| struct\_basic01.go | struct\_basic01 | 構造体についてのサンプル |
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| struct\_basic02.go | struct\_basic02 | 構造体についてのサンプル |
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| struct\_basic03.go | struct\_basic03 | 構造体についてのサンプル |
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| struct\_basic04.go | struct\_basic04 | 構造体についてのサンプル |
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| struct\_anonymous\_struct.go | struct\_anonymous\_struct | 匿名構造体についてのサンプルです。 |
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| struct\_empty\_struct.go | struct\_empty\_struct | 空の構造体についサンプルです. |
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| struct\_deepequal.go | struct\_deep\_equal | 構造体に対して reflect.DeepEqual() した場合のサンプルです. |
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| struct\_blank\_identifier.go | struct\_blank\_identifier | 構造体定義時に blank identifier を意図的に用意して初期化時にフィールド名の指定を必須にするやり方のサンプルです. |
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| struct\_same\_method | struct\_same\_method\_on\_each\_type.go | レシーバの型が異なる同名メソッド定義のサンプルです |
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| struct\_memory\_padding.go | struct\_memory\_padding | 構造体メンバーの定義順によってGoランタイムがメモリ上にパディングを挿入することを確認するサンプルです |
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| file | example name | note |
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| -------------------------- | ---------------------------------- | --------------------------------------------------------------------------------------------------------------- |
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| struct_basic01.go | struct_basic01 | 構造体についてのサンプル |
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| struct_basic02.go | struct_basic02 | 構造体についてのサンプル |
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| struct_basic03.go | struct_basic03 | 構造体についてのサンプル |
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| struct_basic04.go | struct_basic04 | 構造体についてのサンプル |
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| struct_anonymous_struct.go | struct_anonymous_struct | 匿名構造体についてのサンプルです。 |
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| struct_empty_struct.go | struct_empty_struct | 空の構造体についサンプルです. |
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| struct_deepequal.go | struct_deep_equal | 構造体に対して reflect.DeepEqual() した場合のサンプルです. |
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| struct_blank_identifier.go | struct_blank_identifier | 構造体定義時に blank identifier を意図的に用意して初期化時にフィールド名の指定を必須にするやり方のサンプルです. |
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| struct_same_method | struct_same_method_on_each_type.go | レシーバの型が異なる同名メソッド定義のサンプルです |
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| struct_memory_padding.go | struct_memory_padding | 構造体メンバーの定義順によってGoランタイムがメモリ上にパディングを挿入することを確認するサンプルです |

‎examples/basic/structs/struct_anonymous_struct.go‎

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@@ -28,4 +28,20 @@ func StructAnonymousStruct() error {
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fmt.Printf("[anonStructSlice] %#v\n", anonStructSlice)
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return nil
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/*
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$ task
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task: [build] go build .
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task: [run] ./try-golang -onetime
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ENTER EXAMPLE NAME: struct_anonymous_struct
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[Name] "struct_anonymous_struct"
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[anonStruct] struct { x int; y int }{x:100, y:200}
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[anonStructSlice] []struct { x int; y int }{struct { x int; y int }{x:100, y:200}, struct { x int; y int }{x:300, y:400}}
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[Elapsed] 21.84µs
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*/
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}

‎examples/basic/structs/struct_basic01.go‎

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@@ -61,4 +61,28 @@ func Basic01() error {
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pf("Method2: %d(%T)\n", st02.Method2(), st02) // -> 110
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return nil
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/*
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$ task
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task: Task "build" is up to date
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task: [run] ./try-golang -onetime
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ENTER EXAMPLE NAME: struct_basic01
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[Name] "struct_basic01"
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Method1: 30(*structs.MyStruct)
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Method2: 60(*structs.MyStruct)
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Method1: 55(structs.MyStruct)
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Method2: 110(structs.MyStruct)
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Method1: 40(*structs.MyStruct)
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Method2: 80(*structs.MyStruct)
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Method1: 55(structs.MyStruct)
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Method2: 110(structs.MyStruct)
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[Elapsed] 69.231µs
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*/
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}

‎examples/basic/structs/struct_basic02.go‎

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fmt.Printf("%#v\n", isNil)
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return nil
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/*
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$ task
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task: [build] go build .
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task: [run] ./try-golang -onetime
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ENTER EXAMPLE NAME: struct_basic02
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[Name] "struct_basic02"
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structs.intPair{x:0, y:0, s:"", sl:[]int(nil)}
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[]int(nil) is nil? ==> true
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true
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[Elapsed] 32.46µs
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*/
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}

‎examples/basic/structs/struct_basic03.go‎

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fmt.Println(a, b)
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return nil
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/*
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$ task
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task: [build] go build .
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task: [run] ./try-golang -onetime
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ENTER EXAMPLE NAME: struct_basic03
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[Name] "struct_basic03"
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{{100 A} val-a} {{200 B} val-b}
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[Elapsed] 12.12µs
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*/
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}

‎examples/basic/structs/struct_basic04.go‎

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fmt.Printf("%#v\n%#v\n%#v(%#v)\n", st01, st02, i01, *i01)
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return nil
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/*
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$ task
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task: [build] go build .
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task: [run] ./try-golang -onetime
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ENTER EXAMPLE NAME: struct_basic04
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[Name] "struct_basic04"
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&structs.mySt01{key:100, value:"hello world"}
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&structs.mySt01{key:200, value:"world hello"}
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(*int)(0xc000014958)(111)
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[Elapsed] 23.41µs
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*/
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}

‎examples/basic/structs/struct_blank_identifier.go‎

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output.Stdoutl("result", o1, o3, o4)
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return nil
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/*
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$ task
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task: [build] go build .
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task: [run] ./try-golang -onetime
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ENTER EXAMPLE NAME: struct_blank_identifier
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[Name] "struct_blank_identifier"
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result {ok pattern {}} {ok pattern} {ok pattern}
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[Elapsed] 22.92µs
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*/
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}

‎examples/basic/structs/struct_deepequal.go‎

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output.Stdoutl("[deepequal(st1,st2)]", reflect.DeepEqual(st1, st2))
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return nil
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/*
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$ task
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task: [build] go build .
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task: [run] ./try-golang -onetime
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ENTER EXAMPLE NAME: struct_deep_equal
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[Name] "struct_deep_equal"
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===> 等値かどうかのチェック
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[&st1] 0xc000024d60
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[&st2] 0xc000024d80
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[&st1 == &st2] false
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===> 等価かどうかのチェック (1)
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===> 全てのフィールドの値が同じ
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[st1] {{1 1} 1 0xc000014958}
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[st2] {{1 1} 1 0xc000014960}
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[st1 == st2] false
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[deepequal(st1,st2)] true
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===> 等価かどうかのチェック (2)
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===> 片方の構造体のデータを変化させる (自身のフィールドのみを変化)
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[st1] {{1 1} 1 0xc000014958}
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[st2] {{1 1} 2 0xc000014960}
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[st1 == st2] false
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[deepequal(st1,st2)] false
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===> 等価かどうかのチェック (3)
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===> 片方の構造体のデータを変化させる (組み込み構造体側の公開フィールド値を変化)
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[st1] {{1 1} 1 0xc000014958}
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[st2] {{2 1} 1 0xc000014960}
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[st1 == st2] false
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[deepequal(st1,st2)] false
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===> 等価かどうかのチェック (4)
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===> 片方の構造体のデータを変化させる (組み込み構造体側の非公開フィールド値を変化)
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[st1] {{1 1} 1 0xc000014958}
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[st2] {{1 2} 1 0xc000014960}
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[st1 == st2] false
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[deepequal(st1,st2)] false
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===> 等価かどうかのチェック (5)
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===> 片方の構造体がポインタで保持している先のデータのフィールドを変化させる
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[st1] {{1 1} 1 0xc000014958}
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[st2] {{1 1} 1 0xc000014960}
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[st1 == st2] false
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[deepequal(st1,st2)] false
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===> 等価かどうかのチェック (6)
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===> 片方の構造体がポインタで保持しているデータ自体を変更
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===> しかし、データのフィールド値は同じ
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[st1] {{1 1} 1 0xc000014958}
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[st2] {{1 1} 1 0xc0000149e0}
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[st1 == st2] false
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[deepequal(st1,st2)] true
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[Elapsed] 170.21µs
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*/
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}

‎examples/basic/structs/struct_empty_struct.go‎

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log.Println("main goroutine wait done")
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return nil
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/*
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$ task
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task: [build] go build .
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task: [run] ./try-golang -onetime
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ENTER EXAMPLE NAME: struct_empty_struct
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[Name] "struct_empty_struct"
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EmptyStruct[0] EmptyInterface[16]
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v1[0xe7a6c0] v2[0xe7a6c0] addr_equal? [true]
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v3[0xe7a6c0(structs.es1)] v4[0xe7a6c0(structs.es2)]
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v5[0xe7a6c0(structs.es3)] v6[0xe7a6c0(structs.es4)]
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hello world
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main goroutine wait start
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==> gorouine begin
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==> gorouine end
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main goroutine wait done
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[Elapsed] 2.001088491s
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*/
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}

‎examples/basic/structs/struct_memory_padding.go‎

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)
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output.Stdoutf("[st4bytes]", "%d byte(s)\n", unsafe.Sizeof(st4bytes))
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output.Stdoutl("", st4bytes.Layout())
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output.StdoutHr()
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output.Stdoutf("[st8bytes]", "%d byte(s)\n", unsafe.Sizeof(st8bytes))
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output.Stdoutl("", st8bytes.Layout())
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output.StdoutHr()
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output.Stdoutf("[Padding 発生]", "%d byte(s)\n", unsafe.Sizeof(notGood))
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output.Stdoutl("", good.Layout())
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return nil
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/*
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$ task
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task: [build] go build .
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task: [run] ./try-golang -onetime
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ENTER EXAMPLE NAME: struct_memory_padding
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[Name] "struct_memory_padding"
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[st4bytes] 4 byte(s)
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| Flag | | Value |
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--------------------------------------
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| bool (1) | padding (2) | int16 (2) |
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| 4 |
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--------------------------------------------------
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[st8bytes] 8 byte(s)
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| Flag | | Value |
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--------------------------------------
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| bool (1) | padding (3) | int32 (4) |
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| 4 | 4 |
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--------------------------------------------------
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[Padding 発生] 12 byte(s)
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| Flag1 | | ShortVal | Flag2 | | FloatVal |
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-----------------------------------------------------------------------------
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| bool (1) | padding (1) | int16 (2) | bool (1) | padding (3) | float32 (4) |
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| 4 | 4 | 4 |
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--------------------------------------------------
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[Padding なし] 8 byte(s)
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| FloatVal | ShortVal | Flag1 | Flag2 |
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-------------------------------------------------
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| float32 (4) | int16 (2) | bool (1) | bool (1) |
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| 4 | 4 |
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[Elapsed] 96.28µs
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*/
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}

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