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| 1 --- | |
| 2 layout: default | |
| 3 title: "A Tour of the Dart Language" | |
| 4 description: "Learn how to use each major Dart language feature." | |
| 5 has-permalinks: true | |
| 6 js: | |
| 7 - url: /js/lang-tour-analytics.js | |
| 8 defer: true | |
| 9 --- | |
| 10 | |
| 11 <h1> {{ page.title }} </h1> | |
| 12 | |
| 13 <section class="overview"> | |
| 14 <p> | |
| 15 Welcome to the Dart language tour! | |
| 16 We'll show you how to use each major Dart language feature, | |
| 17 from variables to operators to classes and libraries, | |
| 18 with the assumption that you already know how to program in another language. | |
| 19 </p> | |
| 20 | |
| 21 <aside> | |
| 22 <div class="alert alert-info"> | |
| 23 <strong>Tip:</strong> | |
| 24 Create a server application project in Dart Editor | |
| 25 so you can play with each feature. | |
| 26 See <a href="/docs/editor/getting-started/">Getting Started with Dart Editor
</a> | |
| 27 for instructions. | |
| 28 </div> | |
| 29 </aside> | |
| 30 | |
| 31 <p> | |
| 32 Consult the | |
| 33 <a href="/docs/spec/index.html">Dart Language Specification</a> | |
| 34 whenever you want more details about a language feature. | |
| 35 </p> | |
| 36 | |
| 37 <h4 id="toc"> Contents </h4> | |
| 38 <ol class="toc"> | |
| 39 <li> <a href="#main-print">A basic Dart program</a> </li> | |
| 40 <li> <a href="#variables">Variables</a> </li> | |
| 41 <li> <a href="#built-in-types">Built-in types</a> </li> | |
| 42 <li> <a href="#functions">Functions</a> </li> | |
| 43 <li> <a href="#operators">Operators</a> </li> | |
| 44 <li> <a href="#control-flow">Control flow</a> </li> | |
| 45 <li> <a href="#exceptions">Exceptions</a> </li> | |
| 46 <li> <a href="#classes">Classes</a> </li> | |
| 47 <li> <a href="#interfaces">Interfaces</a> </li> | |
| 48 <li> <a href="#generics">Generics</a> </li> | |
| 49 <li> <a href="#libraries">Libraries and visibility</a> </li> | |
| 50 <li> <a href="#isolates">Isolates</a> </li> | |
| 51 <li> <a href="#typedefs">Typedefs</a> </li> | |
| 52 <li> <a href="#comments">Comments</a> </li> | |
| 53 </ol> | |
| 54 | |
| 55 </section> | |
| 56 | |
| 57 | |
| 58 {% comment %} | |
| 59 NOTE: The guts of this page are in /_includes/language-tour/*/*. | |
| 60 {% endcomment %} | |
| 61 | |
| 62 | |
| 63 <section> | |
| 64 <h2 id="main-print"> A basic Dart program </h2> | |
| 65 {% render language-tour/1-main-print/index.markdown %} | |
| 66 <p class="up-to-toc"> | |
| 67 <a href="#toc">Back to contents.</a> | |
| 68 </p> | |
| 69 </section> | |
| 70 | |
| 71 <section> | |
| 72 <h2 id="variables"> Variables </h2> | |
| 73 {% render language-tour/2-variables/index.markdown %} | |
| 74 <p class="up-to-toc"> | |
| 75 <a href="#toc">Back to contents.</a> | |
| 76 </p> | |
| 77 </section> | |
| 78 | |
| 79 <section> | |
| 80 <h2 id="built-in-types"> Built-in types </h2> | |
| 81 {% include language-tour/3-built-in-types/index.html %} | |
| 82 <p class="up-to-toc"> | |
| 83 <a href="#toc">Back to contents.</a> | |
| 84 </p> | |
| 85 </section> | |
| 86 | |
| 87 <section> | |
| 88 <h2 id="functions"> Functions </h2> | |
| 89 {% render language-tour/functions/index.markdown %} | |
| 90 <p class="up-to-toc"> | |
| 91 <a href="#toc">Back to contents.</a> | |
| 92 </p> | |
| 93 </section> | |
| 94 | |
| 95 <section> | |
| 96 <h2 id="operators"> Operators </h2> | |
| 97 {% render language-tour/operators/index.markdown %} | |
| 98 <p class="up-to-toc"> | |
| 99 <a href="#toc">Back to contents.</a> | |
| 100 </p> | |
| 101 </section> | |
| 102 | |
| 103 <section> | |
| 104 <h2 id="control-flow"> Control flow </h2> | |
| 105 {% render language-tour/control-flow/index.markdown %} | |
| 106 <p class="up-to-toc"> | |
| 107 <a href="#toc">Back to contents.</a> | |
| 108 </p> | |
| 109 </section> | |
| 110 | |
| 111 <section> | |
| 112 <h2 id="exceptions">Exceptions</h2> | |
| 113 {% render language-tour/exceptions/index.markdown %} | |
| 114 <p class="up-to-toc"> | |
| 115 <a href="#toc">Back to contents.</a> | |
| 116 </p> | |
| 117 </section> | |
| 118 | |
| 119 <section> | |
| 120 <h2 id="classes">Classes</h2> | |
| 121 {% render language-tour/classes/index.markdown %} | |
| 122 <p class="up-to-toc"> | |
| 123 <a href="#toc">Back to contents.</a> | |
| 124 </p> | |
| 125 </section> | |
| 126 | |
| 127 <section> | |
| 128 <h2 id="interfaces">Interfaces</h2> | |
| 129 {% render language-tour/interfaces/index.markdown %} | |
| 130 <p class="up-to-toc"> | |
| 131 <a href="#toc">Back to contents.</a> | |
| 132 </p> | |
| 133 </section> | |
| 134 | |
| 135 <section> | |
| 136 <h2 id="generics">Generics</h2> | |
| 137 {% render language-tour/generics/index.markdown %} | |
| 138 <p class="up-to-toc"> | |
| 139 <a href="#toc">Back to contents.</a> | |
| 140 </p> | |
| 141 </section> | |
| 142 | |
| 143 <section> | |
| 144 <h2 id="libraries">Libraries and visibility</h2> | |
| 145 {% render language-tour/libraries/index.markdown %} | |
| 146 <p class="up-to-toc"> | |
| 147 <a href="#toc">Back to contents.</a> | |
| 148 </p> | |
| 149 </section> | |
| 150 | |
| 151 <section> | |
| 152 <h2 id="isolates">Isolates</h2> | |
| 153 | |
| 154 <p> | |
| 155 All code in Dart runs in the context of an isolate. | |
| 156 You can use additional isolates for concurrent programming, | |
| 157 and to run third-party code more securely. | |
| 158 </p> | |
| 159 | |
| 160 <p> | |
| 161 The isolates within an app don't share any state or memory. | |
| 162 Instead, isolates communicate by passing messages. | |
| 163 When an isolate sends a message, | |
| 164 the receiving isolate | |
| 165 gets a local copy of the original message's data. | |
| 166 </p> | |
| 167 | |
| 168 <p> | |
| 169 Learn more about | |
| 170 <a href="/docs/library-tour/#dartisolate---concurrency-with-isolates">isolat
es</a> in the library tour. | |
| 171 </p> | |
| 172 | |
| 173 <p class="up-to-toc"> | |
| 174 <a href="#toc">Back to contents.</a> | |
| 175 </p> | |
| 176 </section> | |
| 177 | |
| 178 <section> | |
| 179 <h2 id="typedefs">Typedefs</h2> | |
| 180 {% render language-tour/typedefs/index.markdown %} | |
| 181 <p class="up-to-toc"> | |
| 182 <a href="#toc">Back to contents.</a> | |
| 183 </p> | |
| 184 </section> | |
| 185 | |
| 186 <section> | |
| 187 <h2 id="comments">Comments</h2> | |
| 188 {% render language-tour/comments/index.markdown %} | |
| 189 <p class="up-to-toc"> | |
| 190 <a href="#toc">Back to contents.</a> | |
| 191 </p> | |
| 192 </section> | |
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Chromium Code Reviews
Issue 11366023:
Updated tech overview (Closed)
Base URL: git@github.com:dart-lang/dartlang.org.git@master