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<html>
<head>
<link rel="stylesheet" type="text/css" href="main2.css" />
<meta charset="utf-8" />
<!-- meta http-equiv="refresh" content="3" -->
</head>
<body>
<script type="text/javascript">
var slider_position = localStorage.getItem("slider");
if (slider_position != null) {
document.body.style.setProperty("--sidebar-width", slider_position + "px");
}
</script>
<nav class="sidebar" id="sidebar">
<div class="crateinfo">
<img class="logo" src="img/logo.png" /><br>
Rust standard library
</div>
<hr>
<div class="searchbox">
Search: <br>
<input />
</div>
<hr>
<div id="cratetree" class="cratetree"">
<ul>
<li class=" stick l1">
<img src="img/arrow/fold.png" />
<img src="img/book.png" />
<a href="#">The Book</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">Foreword</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">Introduction</a>
</li>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">1. Getting Started</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">1.1. Installation</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">1.2. Hello, World!</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">1.3. Hello, Cargo!</a>
</li>
</ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">2. Programming a Guessing Game</a>
</li>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">3. Common Programming Concepts</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">3.1. Variables and Mutability</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">3.2. Data Types</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">3.3. Functions</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">3.4. Comments</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">3.5. Control Flow</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">4. Understanding Ownership</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">4.1. What is Ownership?</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">4.2. References and Borrowing</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">4.3. The Slice Type</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">5. Using Structs to Structure Related Data</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">5.1. Defining and Instantiating Structs</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">5.2. An Example Program Using Structs</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">5.3. Method Syntax</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">6. Enums and Pattern Matching</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">6.1. Defining an Enum</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">6.2. The match Control Flow Operator</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">6.3. Concise Control Flow with if let</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">7. Managing Growing Projects with Packages, Crates, and Modules</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">7.1. Packages and Crates</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">7.2. Defining Modules to Control Scope and Privacy</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">7.3. Paths for Referring to an Item in the Module Tree</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">7.4. Bringing Paths Into Scope with the use Keyword</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">7.5. Separating Modules into Different Files</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">8. Common Collections</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">8.1. Storing Lists of Values with Vectors</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">8.2. Storing UTF-8 Encoded Text with Strings</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">8.3. Storing Keys with Associated Values in Hash Maps</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">9. Error Handling</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">9.1. Unrecoverable Errors with panic!</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">9.2. Recoverable Errors with Result</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">9.3. To panic! or Not To panic!</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">10. Generic Types, Traits, and Lifetimes</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">10.1. Generic Data Types</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">10.2. Traits: Defining Shared Behavior</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">10.3. Validating References with Lifetimes</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">11. Writing Automated Tests</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">11.1. How to Write Tests</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">11.2. Controlling How Tests Are Run</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">11.3. Test Organization</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">12. An I/O Project: Building a Command Line Program</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">12.1. Accepting Command Line Arguments</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">12.2. Reading a File</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">12.3. Refactoring to Improve Modularity and Error Handling</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">12.4. Developing the Library’s Functionality with Test Driven Development</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">12.5. Working with Environment Variables</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">12.6. Writing Error Messages to Standard Error Instead of Standard Output</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">13. Functional Language Features: Iterators and Closures</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">13.1. Closures: Anonymous Functions that Can Capture Their Environment</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">13.2. Processing a Series of Items with Iterators</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">13.3. Improving Our I/O Project</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">13.4. Comparing Performance: Loops vs. Iterators</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">14. More about Cargo and Crates.io</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">14.1. Customizing Builds with Release Profiles</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">14.2. Publishing a Crate to Crates.io</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">14.3. Cargo Workspaces</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">14.4. Installing Binaries from Crates.io with cargo install</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">14.5. Extending Cargo with Custom Commands</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">15. Smart Pointers</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">15.1. Using Box to Point to Data on the Heap</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">15.2. Treating Smart Pointers Like Regular References with the Deref Trait</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">15.3. Running Code on Cleanup with the Drop Trait</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">15.4. Rc, the Reference Counted Smart Pointer</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">15.5. RefCell and the Interior Mutability Pattern</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">15.6. Reference Cycles Can Leak Memory</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">16. Fearless Concurrency</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">16.1. Using Threads to Run Code Simultaneously</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">16.2. Using Message Passing to Transfer Data Between Threads</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">16.3. Shared-State Concurrency</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">16.4. Extensible Concurrency with the Sync and Send Traits</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">17. Object Oriented Programming Features of Rust</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">17.1. Characteristics of Object-Oriented Languages</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">17.2. Using Trait Objects That Allow for Values of Different Types</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">17.3. Implementing an Object-Oriented Design Pattern</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">18. Patterns and Matching</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">18.1. All the Places Patterns Can Be Used</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">18.2. Refutability: Whether a Pattern Might Fail to Match</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">18.3. Pattern Syntax</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">19. Advanced Features</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">19.1. Unsafe Rust</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">19.2. Advanced Traits</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">19.3. Advanced Types</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">19.4. Advanced Functions and Closures</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">19.5. Macros</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">20. Final Project: Building a Multithreaded Web Server</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">20.1. Building a Single-Threaded Web Server</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">20.2. Turning Our Single-Threaded Server into a Multithreaded Server</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">20.3. Graceful Shutdown and Cleanup</a>
</li>
</ul>
<li>
<img src="img/arrow/fold.png" />
<img src="img/item/page.png" />
<a href="#">21. Appendix</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">21.1. A - Keywords</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">21.2. B - Operators and Symbols</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">21.3. C - Derivable Traits</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">21.4. D - Useful Development Tools</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">21.5. E - Editions</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">21.6. F - Translations of the Book</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">21.7. G - How Rust is Made and “Nightly Rust”</a>
</li>
</ul>
</ul>
<li class="stick l1">
<img src="img/arrow/fold.png" />
<img src="img/item/primitive.png" />
<a href="#">Primitives</a>
</li>
<ul>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">array</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">bool</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">char</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">f32</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">f64</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">fn</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">i8</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">i16</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">i32</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">i64</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">i128</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">isize</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">pointer</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">reference</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">slice</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">str</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">tuple</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">u8</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">u16</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">u32</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">u64</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">u128</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">unit</a>
</li>
<li>
<img src="img/arrow/empty.png" />
<img src="img/item/block.png" />
<a href="#">usize</a>
</li>
</ul>
<li class="stick l1">
<img src="img/arrow/fold.png" />
<img src="img/item/primitive.png" />
<a href="#">Keywords</a>
</li>
<ul>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">Self</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">as</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">async</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">await</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">break</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">const</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">continue</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">crate</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">dyn</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">else</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">enum</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">extern</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">false</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">fn</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">for</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">if</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">impl</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">in</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">let</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">loop</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">match</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">mod</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">move</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">mut</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">pub</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">ref</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">return</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">self</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">static</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">struct</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">super</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">trait</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">true</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">type</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">union</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">unsafe</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">use</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">where</a>
</li>
<li class="stick l2">
<img src="img/arrow/empty.png" />
<img src="img/item/page.png" />
<a href="#">while</a>
</li>
</ul>
<li class="stick l1">
<img src="img/arrow/fold.png" />
<img src="img/item/crate.png" />
<a href="#">alloc</a>
</li>
<li class="stick l1">
<img src="img/arrow/fold.png" />
<img src="img/item/crate.png" />
<a href="#">core</a>
</li>
<li class="stick l1">
<img src="img/arrow/fold.png" />
<img src="img/item/crate.png" />
<a href="#">proc_macro</a>
</li>
<li class="stick l1">
<img src="img/arrow/open.png" />
<img src="img/item/crate.png" />
<a href="#">std</a>
</li>
<ul>
<li class="stick l2">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" />
<a href="#">alloc</a>
</li>
<li class="stick l2">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" />
<a href="#">any</a>
</li>
<li class="stick l2">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" style="margin-right: -18px;" />
<img src="img/item/reexport.png" style="" />
<a href="#">arch</a>
</li>
<li class="stick l2">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" />
<a href="#">array</a>
</li>
<li class="stick l2">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" />
<a href="#">ascii</a>
</li>
<li class="stick l2">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" />
<a href="#">borrow</a>
</li>
<li class="stick l2">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" />
<a href="#">boxed</a>
</li>
<li class="stick l2">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" />
<a href="#">cell</a>
</li>
<li class="stick l2">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" />
<a href="#">char</a>
</li>
<li class="stick l2">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" />
<a href="#">clone</a>
</li>
<li class="stick l2">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" />
<a href="#">cmp</a>
</li>
<li class="stick l2 current">
<img src="img/arrow/fold.png" />
<img src="img/item/mod.png" />