{"id":5039,"date":"2022-08-26T04:11:10","date_gmt":"2022-08-25T22:41:10","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-c-truetrue-returning-false-closed\/"},"modified":"2022-08-26T04:11:10","modified_gmt":"2022-08-25T22:41:10","slug":"solved-c-truetrue-returning-false-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-c-truetrue-returning-false-closed\/","title":{"rendered":"[Solved] c#: (True==True) returning False [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-9152866\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"9152866\" data-parentid=\"9152810\" data-score=\"7\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>I can see two possibilities:<\/p>\n<ul>\n<li>\n<p><code>useaction.Postcondition[goalneeds]<\/code> and <code>current[goalneeds]<\/code> return something other than a <code>bool<\/code>. They return an object of a class that has a <code>ToString()<\/code> method which sometimes returns the string <code>\"True\"<\/code>. The specific objects returned in your case both generate <code>\"True\"<\/code> but are not the same object, so <code>==<\/code> is false (or the type of those objects overloads the <code>==<\/code> operator in such a way that it returns false, or some other object whose <code>ToString()<\/code> method returns <code>\"False\"<\/code>).<\/p>\n<p>(Apparently this turned out to be the case, although the \u201cclass\u201d is actually just <code>object<\/code> with a boxed <code>bool<\/code> inside. This does have the described effect because <code>==<\/code> performs reference equality in this case.)<\/p>\n<\/li>\n<li>\n<p>The indexer of either <code>useaction.Postcondition<\/code> or <code>current<\/code> (or both) has a side-effect that alters its own value. As a result, the second invocation of it returns a <em>different<\/em> result than the first.<\/p>\n<\/li>\n<\/ul>\n<p>Both of these should be immediately visible in the debugger if you just stepped to the line of code you quoted and used the Watch window.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">0<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved c#: (True==True) returning False [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] I can see two possibilities: useaction.Postcondition[goalneeds] and current[goalneeds] return something other than a bool. They return an object of a class that has a ToString() method which sometimes returns the string &#8220;True&#8221;. The specific objects returned in your case both generate &#8220;True&#8221; but are not the same object, so == is false (or the &#8230; <a title=\"[Solved] c#: (True==True) returning False [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-c-truetrue-returning-false-closed\/\" aria-label=\"More on [Solved] c#: (True==True) returning False [closed]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[665,324],"class_list":["post-5039","post","type-post","status-publish","format-standard","hentry","category-solved","tag-boolean","tag-c"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] c#: (True==True) returning False [closed] - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-c-truetrue-returning-false-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] c#: (True==True) returning False [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I can see two possibilities: useaction.Postcondition[goalneeds] and current[goalneeds] return something other than a bool. They return an object of a class that has a ToString() method which sometimes returns the string &quot;True&quot;. The specific objects returned in your case both generate &quot;True&quot; but are not the same object, so == is false (or the ... 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They return an object of a class that has a ToString() method which sometimes returns the string \"True\". The specific objects returned in your case both generate \"True\" but are not the same object, so == is false (or the ... 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