{"id":761,"date":"2009-12-14T09:18:41","date_gmt":"2009-12-14T17:18:41","guid":{"rendered":"http:\/\/boost-spirit.com\/home\/?p=761"},"modified":"2009-12-22T02:24:47","modified_gmt":"2009-12-22T10:24:47","slug":"the-magical-power-of-attributes-in-spirit-operators","status":"publish","type":"post","link":"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/","title":{"rendered":"The Magical Power of Attributes in Spirit &#8211; Operators"},"content":{"rendered":"<p>Each operator implements its own set of attribute propagation rules. These rules define the synthesized attributes of <em>Qi<\/em> expressions and the consumed attributes of <em>Karma<\/em> expressions. As we have seen already, it is very important to understand how the synthesized and consumed attributes are formed. Parsers and generators are most elegant and efficient if they are tightly integrated with your data structures, and learning to match those to the attributes is crucial to being able to apply <em>Spirit<\/em> for your own needs.<\/p>\n<p><a href=\"http:\/\/boost-spirit.com\/home\/?page_id=741\">See full article here<\/a>.<\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-icon-text sd-sharing\"><h3 class=\"sd-title\">Share this:<\/h3><div class=\"sd-content\"><ul><li><a href=\"#\" class=\"sharing-anchor sd-button share-more\"><span>Share<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><div class=\"sharing-hidden\"><div class=\"inner\" style=\"display: none;\"><ul><li class=\"share-facebook\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-facebook-761\" class=\"share-facebook sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=facebook\" target=\"_blank\" title=\"Click to share on Facebook\" ><span>Facebook<\/span><\/a><\/li><li class=\"share-twitter\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-twitter-761\" class=\"share-twitter sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=twitter\" target=\"_blank\" title=\"Click to share on Twitter\" ><span>Twitter<\/span><\/a><\/li><li class=\"share-end\"><\/li><li class=\"share-pinterest\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-pinterest-761\" class=\"share-pinterest sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=pinterest\" target=\"_blank\" title=\"Click to share on Pinterest\" ><span>Pinterest<\/span><\/a><\/li><li class=\"share-linkedin\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-linkedin-761\" class=\"share-linkedin sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=linkedin\" target=\"_blank\" title=\"Click to share on LinkedIn\" ><span>LinkedIn<\/span><\/a><\/li><li class=\"share-end\"><\/li><li class=\"share-reddit\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-reddit sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=reddit\" target=\"_blank\" title=\"Click to share on Reddit\" ><span>Reddit<\/span><\/a><\/li><li class=\"share-tumblr\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-tumblr sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=tumblr\" target=\"_blank\" title=\"Click to share on Tumblr\" ><span>Tumblr<\/span><\/a><\/li><li class=\"share-end\"><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Each operator implements its own set of attribute propagation rules. These rules define the synthesized attributes of Qi expressions and the consumed attributes of Karma expressions. As we have seen already, it is very important to understand how the synthesized and consumed attributes are formed. Parsers and generators are most elegant and efficient if they [&hellip;]<\/p>\n<div class=\"sharedaddy sd-sharing-enabled\"><div class=\"robots-nocontent sd-block sd-social sd-social-icon-text sd-sharing\"><h3 class=\"sd-title\">Share this:<\/h3><div class=\"sd-content\"><ul><li><a href=\"#\" class=\"sharing-anchor sd-button share-more\"><span>Share<\/span><\/a><\/li><li class=\"share-end\"><\/li><\/ul><div class=\"sharing-hidden\"><div class=\"inner\" style=\"display: none;\"><ul><li class=\"share-facebook\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-facebook-761\" class=\"share-facebook sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=facebook\" target=\"_blank\" title=\"Click to share on Facebook\" ><span>Facebook<\/span><\/a><\/li><li class=\"share-twitter\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-twitter-761\" class=\"share-twitter sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=twitter\" target=\"_blank\" title=\"Click to share on Twitter\" ><span>Twitter<\/span><\/a><\/li><li class=\"share-end\"><\/li><li class=\"share-pinterest\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-pinterest-761\" class=\"share-pinterest sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=pinterest\" target=\"_blank\" title=\"Click to share on Pinterest\" ><span>Pinterest<\/span><\/a><\/li><li class=\"share-linkedin\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"sharing-linkedin-761\" class=\"share-linkedin sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=linkedin\" target=\"_blank\" title=\"Click to share on LinkedIn\" ><span>LinkedIn<\/span><\/a><\/li><li class=\"share-end\"><\/li><li class=\"share-reddit\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-reddit sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=reddit\" target=\"_blank\" title=\"Click to share on Reddit\" ><span>Reddit<\/span><\/a><\/li><li class=\"share-tumblr\"><a rel=\"nofollow noopener noreferrer\" data-shared=\"\" class=\"share-tumblr sd-button share-icon\" href=\"https:\/\/boost-spirit.com\/home\/2009\/12\/14\/the-magical-power-of-attributes-in-spirit-operators\/?share=tumblr\" target=\"_blank\" title=\"Click to share on Tumblr\" ><span>Tumblr<\/span><\/a><\/li><li class=\"share-end\"><\/li><li class=\"share-end\"><\/li><\/ul><\/div><\/div><\/div><\/div><\/div>","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_s2mail":"","spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[10],"tags":[16,7,8],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pIHdZ-ch","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/boost-spirit.com\/home\/wp-json\/wp\/v2\/posts\/761"}],"collection":[{"href":"https:\/\/boost-spirit.com\/home\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boost-spirit.com\/home\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boost-spirit.com\/home\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/boost-spirit.com\/home\/wp-json\/wp\/v2\/comments?post=761"}],"version-history":[{"count":2,"href":"https:\/\/boost-spirit.com\/home\/wp-json\/wp\/v2\/posts\/761\/revisions"}],"predecessor-version":[{"id":818,"href":"https:\/\/boost-spirit.com\/home\/wp-json\/wp\/v2\/posts\/761\/revisions\/818"}],"wp:attachment":[{"href":"https:\/\/boost-spirit.com\/home\/wp-json\/wp\/v2\/media?parent=761"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boost-spirit.com\/home\/wp-json\/wp\/v2\/categories?post=761"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boost-spirit.com\/home\/wp-json\/wp\/v2\/tags?post=761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}