{"id":5742,"date":"2021-11-30T10:08:25","date_gmt":"2021-11-30T09:08:25","guid":{"rendered":"https:\/\/solidt.eu\/site\/?p=5742"},"modified":"2021-11-30T10:10:33","modified_gmt":"2021-11-30T09:10:33","slug":"typescript-sum","status":"publish","type":"post","link":"https:\/\/solidt.eu\/site\/typescript-sum\/","title":{"rendered":"Typescript sum"},"content":{"rendered":"\n<div style=\"height: 250px; position:relative; margin-bottom: 50px;\" class=\"wp-block-simple-code-block-ace\"><pre class=\"wp-block-simple-code-block-ace\" style=\"position:absolute;top:0;right:0;bottom:0;left:0\" data-mode=\"typescript\" data-theme=\"monokai\" data-fontsize=\"14\" data-lines=\"Infinity\" data-showlines=\"true\" data-copy=\"false\">export function sum&lt;T>(items: T[], selector: (item: T) => number) {\n    return Array.from(items).reduce((a, x) => a + (selector(x) || 0), 0);\n}\n\ninterface IWithValue {\n    value: number;\n}\n\nconst data: IWithValue[] = [{value: 1},{value: 2}, {value: 3}, {value: 4}];\nconsole.log(sum(data, (x) => x.value));\n\/\/ 10<\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5742","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/5742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/comments?post=5742"}],"version-history":[{"count":2,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/5742\/revisions"}],"predecessor-version":[{"id":5744,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/posts\/5742\/revisions\/5744"}],"wp:attachment":[{"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/media?parent=5742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/categories?post=5742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/solidt.eu\/site\/wp-json\/wp\/v2\/tags?post=5742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}