{"id":18227,"date":"2017-06-23T14:41:18","date_gmt":"2017-06-23T18:41:18","guid":{"rendered":"https:\/\/mjtsai.com\/blog\/?p=18227"},"modified":"2017-06-23T14:41:18","modified_gmt":"2017-06-23T18:41:18","slug":"swifts-memorylayout-size-and-stride","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2017\/06\/23\/swifts-memorylayout-size-and-stride\/","title":{"rendered":"Swift&rsquo;s MemoryLayout: size and stride"},"content":{"rendered":"<p><a href=\"http:\/\/www.russbishop.net\/memorylayout\">Russ Bishop<\/a>:<\/p>\n<blockquote cite=\"http:\/\/www.russbishop.net\/memorylayout\">\n<p>This might surprise you: the size of some types can be zero but the stride will always be at least 1 byte. Having types take up at least 1 byte means you don't need a bunch of special casing everywhere you deal with memory to avoid calling <code>malloc(0)<\/code>. This does mean an array of 100 zero size types allocates 100 bytes that are never read or written.<\/p>\n<\/blockquote>","protected":false},"excerpt":{"rendered":"<p>Russ Bishop: This might surprise you: the size of some types can be zero but the stride will always be at least 1 byte. Having types take up at least 1 byte means you don't need a bunch of special casing everywhere you deal with memory to avoid calling malloc(0). This does mean an array [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"","apple_news_api_id":"","apple_news_api_modified_at":"","apple_news_api_revision":"","apple_news_api_share_url":"","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[4],"tags":[46,71,901],"class_list":["post-18227","post","type-post","status-publish","format-standard","hentry","category-programming-category","tag-languagedesign","tag-programming","tag-swift-programming-language"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/18227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=18227"}],"version-history":[{"count":1,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/18227\/revisions"}],"predecessor-version":[{"id":18228,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/18227\/revisions\/18228"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=18227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=18227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=18227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}