1+ <!doctype html>
2+ < html class ="cpprefjp " lang ="ja " itemscope ="" itemtype ="http://schema.org/WebPage ">
3+ < head >
4+
5+
6+ <!-- Google tag (gtag.js) -->
7+ < script async src ="https://www.googletagmanager.com/gtag/js?id=G-NXNBNVBTJS "> </ script >
8+ < script >
9+ window . dataLayer = window . dataLayer || [ ] ;
10+ function gtag ( ) { dataLayer . push ( arguments ) ; }
11+ gtag ( 'js' , new Date ( ) ) ;
12+
13+ gtag ( 'config' , 'G-NXNBNVBTJS' ) ;
14+ </ script >
15+
16+
17+ < meta charset ="UTF-8 ">
18+
19+ < title > detection_mode - cpprefjp C++日本語リファレンス</ title >
20+
21+ < meta name ="viewport " content ="width=device-width,initial-scale=1 ">
22+ < meta name ="keywords " content ="
23+ C++,標準ライブラリ,リファレンス,ドキュメント,STL,std,contracts,std::contracts,enum,cpp26
24+ ">
25+ < meta name ="title " content ="detection_mode - cpprefjp C++日本語リファレンス " />
26+ < meta itemprop ="name " content ="detection_mode - cpprefjp C++日本語リファレンス " />
27+ < meta property ="og:title " content ="detection_mode - cpprefjp C++日本語リファレンス " />
28+ < meta property ="og:url " content ="https://cpprefjp.github.io/reference/contracts/detection_mode.html " />
29+ < meta property ="og:site_name " content ="cpprefjp - C++日本語リファレンス " />
30+ < meta property ="og:type " content ="article " />
31+ < meta property ="og:description " content ="契約違反がどのような仕組みでその違反が認識されたかを表す列挙型。 " />
32+ < meta name ="twitter:card " content ="summary " />
33+ < meta name ="twitter:title " content ="detection_mode - cpprefjp C++日本語リファレンス " />
34+ < meta name ="twitter:url " content ="https://cpprefjp.github.io/reference/contracts/detection_mode.html " />
35+ < meta name ="twitter:description " content ="契約違反がどのような仕組みでその違反が認識されたかを表す列挙型。 " />
36+
37+
38+ < link rel ="alternate " type ="application/atom+xml " title ="Atom " href ="https://cpprefjp.github.io/rss.xml " />
39+
40+
41+ < link rel ="apple-touch-icon " sizes ="180x180 " href ="../../static/favicons/apple-touch-icon.png?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e ">
42+ < link rel ="icon " type ="image/png " sizes ="32x32 " href ="../../static/favicons/favicon-32x32.png?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e ">
43+ < link rel ="icon " type ="image/png " sizes ="16x16 " href ="../../static/favicons/favicon-16x16.png?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e ">
44+ < link rel ="manifest " href ="../../manifest.json?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e ">
45+ < meta name ="theme-color " content ="#f5f8fc ">
46+
47+ < link rel ="stylesheet " href ="../../static/pygments/default.css?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e ">
48+ <!-- <link rel="stylesheet" href="../../static/css/root.css"> -->
49+
50+
51+
52+
53+
54+ < link href ="../../static/kunai/css/kunai-stage-0.css?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e " rel ="stylesheet ">
55+ < link href ="../../static/kunai/css/kunai-stage-1.css?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e " rel ="stylesheet ">
56+ < link href ="../../static/kunai/css/kunai-stage-2.css?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e " rel ="stylesheet ">
57+ < link href ="../../static/kunai/css/kunai-stage-3.css?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e " rel ="stylesheet ">
58+
59+ < script type ="text/javascript " src ="../../static/kunai/js/kunai-vendor.js?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e "> </ script >
60+ < script type ="text/javascript " src ="../../static/kunai/js/kunai.js?cachebust=2a7ddc62f9c987d65760cb7e6115f210c1266a7e "> </ script >
61+
62+ < script type ="text/javascript ">
63+ document . addEventListener ( 'DOMContentLoaded' , function ( ) {
64+ var kn = new Kunai ;
65+ kn . cpprefjp ( ) ;
66+ } ) ;
67+ </ script >
68+
69+ </ head >
70+ < body >
71+ < header data-kunai-mdinfo ="{"meta": {"header": ["contracts"], "namespace": ["std::contracts"], "id-type": ["enum"], "cpp": ["cpp26"]}, "sources": [], "page_id": ["reference", "contracts", "detection_mode"]} ">
72+ < nav class ="navbar navbar-default " role ="navigation ">
73+ < div class ="container-fluid ">
74+ < div class ="navbar-header ">
75+ < button type ="button " class ="navbar-toggle collapsed " data-toggle ="collapse " data-target ="#navbar-collapse ">
76+ < span class ="sr-only "> Toggle navigation</ span >
77+ < span class ="icon-bar "> </ span >
78+ < span class ="icon-bar "> </ span >
79+ < span class ="icon-bar "> </ span >
80+ </ button >
81+ < a class ="navbar-brand " href ="../../index.html ">
82+ < div class ="title-wrapper clearfix ">
83+ < div class ="title "> cpprefjp - C++日本語リファレンス</ div >
84+ </ div >
85+ </ a >
86+ </ div >
87+
88+ < div class ="collapse navbar-collapse " id ="navbar-collapse ">
89+ < ul class ="nav navbar-nav navbar-right ">
90+ < li >
91+ < div class ="google-search ">
92+
93+
94+ < script >
95+ ( function ( ) {
96+ var cx = '013316413321391058734:ji_u66hl7hq' ;
97+ var gcse = document . createElement ( 'script' ) ;
98+ gcse . type = 'text/javascript' ;
99+ gcse . async = true ;
100+ gcse . src = ( document . location . protocol == 'https:' ? 'https:' : 'http:' ) +
101+ '//www.google.com/cse/cse.js?cx=' + cx ;
102+ var s = document . getElementsByTagName ( 'script' ) [ 0 ] ;
103+ s . parentNode . insertBefore ( gcse , s ) ;
104+ } ) ( ) ;
105+ </ script >
106+ < div class ="gcse-search "> </ div >
107+
108+
109+ </ div >
110+ </ li >
111+ < li >
112+ < a href ="https://github.com/cpprefjp/site "> GitHub Project</ a >
113+ </ li >
114+ </ ul >
115+ </ div >
116+ </ div >
117+ </ nav >
118+ </ header >
119+
120+ < main id ="main " role ="main ">
121+ < div class ="container-fluid ">
122+ < div class ="row ">
123+ < div class ="col-sm-9 col-sm-push-3 " itemscope itemtype ="http://schema.org/Article ">
124+ < div class ="row ">
125+ < div class ="col-sm-12 google-search-result ">
126+ < gcse:searchresults > </ gcse:searchresults >
127+ </ div >
128+ </ div >
129+ < div class ="row ">
130+ < div class ="col-sm-12 content-header ">
131+
132+ < ol class ="breadcrumb ">
133+
134+ < li itemscope itemtype ="http://www.schema.org/SiteNavigationElement ">
135+ < span >
136+
137+ < a href ="../../index.html " itemprop ="url ">
138+
139+ < i class ="fa fa-fw fa-home "> </ i >
140+
141+ </ a >
142+
143+ </ span >
144+ </ li >
145+
146+ < li itemscope itemtype ="http://www.schema.org/SiteNavigationElement ">
147+ < span >
148+
149+ < a href ="../../reference.html " itemprop ="url ">
150+
151+ < span itemprop ="name "> リファレンス</ span >
152+
153+ </ a >
154+
155+ </ span >
156+ </ li >
157+
158+ < li itemscope itemtype ="http://www.schema.org/SiteNavigationElement ">
159+ < span >
160+
161+ < a href ="../../reference/contracts.html " itemprop ="url ">
162+
163+ < span itemprop ="name "> contracts</ span >
164+
165+ </ a >
166+
167+ </ span >
168+ </ li >
169+
170+ < li class ="active " itemscope itemtype ="http://www.schema.org/SiteNavigationElement ">
171+ < span >
172+
173+
174+ < span itemprop ="name "> detection_mode</ span >
175+
176+
177+ </ span >
178+ </ li >
179+
180+ </ ol >
181+ < div class ="crsearch "> </ div >
182+
183+ </ div >
184+ </ div >
185+ < div class ="row ">
186+ < div class ="col-sm-12 edit-button ">
187+
188+
189+ < p class ="text-right "> < small >
190+ 最終更新日時(UTC):
191+ < span itemprop ="datePublished " content ="2025-05-09T02:48:47 ">
192+ 2025年05月09日 02時48分47秒
193+ </ span >
194+ < br />
195+ < span itemprop ="author " itemscope itemtype ="http://schema.org/Person ">
196+ < span itemprop ="name "> rotarymars</ span >
197+ </ span >
198+ が更新
199+ </ small > </ p >
200+
201+
202+ < p class ="text-right ">
203+ < a class ="history " target ="_blank " href ="https://github.com/cpprefjp/site/commits/master/reference/contracts/detection_mode.md ">
204+ < span class ="fa fa-fw fa-clock-o fa-flip-horizontal "> </ span > 履歴
205+ </ a >
206+ < a class ="edit " target ="_blank " href ="https://github.com/cpprefjp/site/edit/master/reference/contracts/detection_mode.md ">
207+ < span class ="fa fa-fw fa-pencil "> </ span > 編集
208+ </ a >
209+ </ p >
210+ </ div >
211+ </ div >
212+ < div class ="row ">
213+ < div class ="col-sm-12 content-body ">
214+
215+ < div class ="identifier-type "> enum</ div > < div class ="header "> <contracts></ div > < h1 itemprop ="name "> < span class ="namespace " title ="namespace std::contracts "> std::contracts::</ span > < span class ="token "> detection_mode</ span > < span class ="cpp cpp26 " title ="C++26で追加 "> (C++26)</ span > </ h1 >
216+ < div itemprop ="articleBody "> < p > < div class ="codehilite "> < pre > < span > </ span > < code > < span class ="k "> namespace</ span > < span class ="n "> std</ span > < span class ="o "> ::</ span > < span class ="n "> contracts</ span > < span class ="p "> {</ span >
217+ < span class ="k "> enum</ span > < span class ="k "> class</ span > < span class ="nc "> detection_mode</ span > < span class ="o "> :</ span > < span class ="n "> unspecified</ span > < span class ="p "> {</ span >
218+ < span class ="n "> predicate_false</ span > < span class ="o "> =</ span > < span class ="mi "> 1</ span > < span class ="p "> ,</ span >
219+ < span class ="n "> evaluation_exception</ span > < span class ="o "> =</ span > < span class ="mi "> 2</ span >
220+ < span class ="p "> }</ span >
221+ < span class ="p "> }</ span >
222+ </ code > </ pre > </ div >
223+ </ p >
224+ < h2 > 概要</ h2 >
225+ < p > 契約違反がどのような仕組みでその違反が認識されたかを表す列挙型。</ p >
226+ < h3 > 各列挙子の意味</ h3 >
227+ < table border ="1 " bordercolor ="#888 " style ="border-collapse:collapse ">
228+ < thead >
229+ < tr >
230+ < th > 列挙子</ th >
231+ < th > 値</ th >
232+ < th > 意味</ th >
233+ </ tr >
234+ </ thead >
235+ < tbody >
236+ < tr >
237+ < td > predicate_false</ td >
238+ < td > 1</ td >
239+ < td > 契約の< a class ="cpprefjp-defined-word " data-desc ="boolを返す関数・関数オブジェクト。predicate "> 述語</ a > が評価され、falseを返す、もしくは評価をするとfalseを返す</ td >
240+ </ tr >
241+ < tr >
242+ < td > evaluation_exception</ td >
243+ < td > 2</ td >
244+ < td > 評価中に< a class ="cpprefjp-defined-word " data-desc ="問題が発生したときに、現在実行位置を過去に通過・記録した位置に戻し、文脈情報を添えて紐づけられた処理(例外ハンドラー)を呼び出す仕組み。またはその事態 "> 例外</ a > が投げられ、キャッチされずに逸脱した</ td >
245+ </ tr >
246+ </ tbody >
247+ </ table >
248+ < h2 > バージョン</ h2 >
249+ < h3 > 言語</ h3 >
250+ < ul >
251+ < li > C++26</ li >
252+ </ ul >
253+ < h3 > 処理系</ h3 >
254+ < ul >
255+ < li > < a href ="../../implementation.html#clang "> Clang</ a > : ?</ li >
256+ < li > < a href ="../../implementation.html#gcc "> GCC</ a > : ?</ li >
257+ < li > < a href ="../../implementation.html#icc "> ICC</ a > : ?</ li >
258+ < li > < a href ="../../implementation.html#visual_cpp "> Visual C++</ a > : ?</ li >
259+ </ ul >
260+ < h2 > 関連項目</ h2 >
261+ < ul >
262+ < li > < a href ="../../lang/future/contract-based_programming.html "> 契約に基づくプログラミング</ a > </ li >
263+ < li > < a href ="../../lang/cpp26/contracts.html "> 契約プログラミング</ a > </ li >
264+ </ ul >
265+ < h2 > 参照</ h2 >
266+ < ul >
267+ < li > < a href ="http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0542r5.html " target ="_blank "> P0542R5 Support for contract based programming in C++</ a > </ li >
268+ </ ul > </ div >
269+
270+ </ div >
271+ </ div >
272+ </ div >
273+
274+
275+ < div id ="sidebar " class ="col-sm-3 col-sm-pull-9 ">
276+ </ div >
277+
278+
279+ </ div >
280+ </ div >
281+ </ main >
282+ < footer class ="footer navbar navbar-default ">
283+ < div class ="container-fluid ">
284+ < p > < small >
285+ 本サイトの情報は、
286+ < a href ="https://creativecommons.org/licenses/by/3.0/deed.ja " rel ="nofollow "> クリエイティブ・コモンズ 表示 3.0 非移植 ライセンス(CC BY)</ a >
287+ の下に提供されています。
288+ </ small > </ p >
289+ </ div >
290+ </ footer >
291+ </ body >
292+ </ html >
0 commit comments