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Learning Rust

Paul Johnson Vesa Kaihlavirta 著

更新時間：2021-07-02 23:08:10

開會員，本書免費讀 >

ThebookisforabsolutebeginnerstoRust,whowanttobuildhighperformance,concurrentapplicationsfortheirprojects.ItissuitablefordeveloperswhohaveabasicknowledgeofprogramminganddeveloperswhoareusingtheC#/C++languagetowritetheirapplications.NoknowledgeofRustisexpected.

目錄(380章)

倒序

封面
版權(quán)信息
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Why subscribe?
Customer Feedback
Title Page
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Downloading the example code
Errata
Piracy
Questions
Introducing and Installing Rust
Installing Rust
Installing rustup on Linux
gcc prerequisites
Testing your installation
Integrated Development Environment
Your first Rust project
Structure of a Rust project
Automating things
Creating a binary package using Cargo
Using Cargo to build and run an application
Cleaning your source tree with Cargo
Creating documentation using Cargo
rustdoc versus Cargo
Using Cargo to help with your unit testing
Assert yourself!
Is there anything Cargo can't do?
Summary
Variables
Variable mutability
Creating a variable
How can we tell the compiler that we want x to be an int?
Defining other variable types
Float
Signed and unsigned integers
Const and static
Defining the variable value before use
Strings
How Rust uses memory
Back to Strings
String slices
What's with the warnings?
Using the format! macro
Building a string
Code review
Casting
String methods
Generics and arrays
Arrays
Array performance
Vectors
Creating a vector with an initial size
Creating a vector via an iterator
Adding and removing from the vector
Manipulating an array or vector via slices
Passing values around
Passing by value
Passing by reference
The reference type
A practical example
Summary
Input and Output
Functions and methods in Rust
The difference between println! and println
Introduction to the standard library
The libraries
Controlling the output formatting
Positioning the output
Named parameters
Specifying the argument types
Formatting traits
Formatting parameters
Getting information in
Command-line arguments
Handling files
Reading from a file
Loading a file
Writing a file
The use of expect
XML and Rust
Reading a file
Writing a file
Summary
Conditions Recursion and Loops
Loops
The for loop
Using enumerate
The _ parameter
The simple loop
The while condition
Prematurely terminating a loop
Using loop labels
Recursive functions
What is the difference between having and not having a semicolon?
Summary
Remember Remember
Let's start at the beginning
The stack frame
What is meant by the stack?
Let's consider the heap
Deallocation
What about functions with arguments?
Static memory allocation
Garbage collecting time and ownership
An owned pointer example
Comparison to C
Let's revisit some old code
Let's not race ahead!
Stop the race...
Summary
Creating Your Own Rust Applications
Project 1 - let's start with some math
Requirements
Supplied data
Application output
Project 2 - some text manipulation
Requirements
Code notes
Project 3 – area and volume
Shape types
Volume or area
User-defined shape
Formulae for calculations
Testing criteria
Auto-documentation
Using regular expressions (regex)
Input and output
Project 4 – memory
Bitwise rotation
Rotation caveat
Output
Summary
Matching and Structures
Structs 101
Variables variables everywhere
The structure of a struct
Smaller is better
Accessing a struct
Defining the child structures
Multi-file version
Private versus public fields
Structs 102
Tuples
Using a tuple to define a variable
Tuple indexing
Destructuring with let
Tuple structs – the hybrid of two
The single element tuple struct
Back to the unit-like struct
Enumerations
Accessing enumeration members
The two questions you should be asking
Patterns and matching
Matching
Let's really make the function simple
Using match with an enum
Ignoring a parameter with match
Fall through patterns
Ranges
Creating a binding within a match pattern
Let's add an if into the mix
Using match with a compound type
And back to if let
Summary
The Rust Application Lifetime
What are they?
Ownership
Borrowing
Lifetime
Ownership in Rust
Abstractions
Ownership – from the beginning
Variable binding
Stack and heap variables
Why is this important?
The Copy trait
Borrowing in Rust
Borrow immutability
Mutable borrows
The Rust borrowing rules
Fixing the problem
Think about the scope
It's all for your own good
The lifetime
The mythical bank account
The lifetime variable - '
Lifetime of other types
Lifetime within an struct
Multiple lifetimes
Always consider the scope
'struct
Input and output lifetimes
Input only
Output only
Input and output
Summary
Introducing Generics Impl and Traits
Generics 101
Understanding the error
A generic problem
The unsafe directive
The whole #!
Traits and Impl
Impl
The impl lifetime
And back to traits we go...
A simple crate example
Traits and generics
Defining the impl for specific types
Using where
Making it work
Something you may have noticed
Generics - a small aside
So what does happen?
Back to the where version
Try to compile
Trait bounds
Can we reduce the amount of code further?
Can the default method be overridden?
Rounding off traits
Inheritance
Deriving
Trait objects
Let's create a sample test setup
Let's see dynamic dispatch
Keeping your object safe
Summary
Creating Your Own Crate
What exactly is a crate?
Looking at modules
I can see a problem with this analogy
Back to our math library
Using a useful name
Let's create!
Creating top-level modules
The multifile module
What about submodules?
The mod.rs file
Let's add some code
Beware of double name scopes
Adding unit tests to the library
Making something public
Let's give our crate a quick run out
External dependencies
Changing the scope
Altering the crate name
Optimizing your use statements
The use-everything approach
The you-decide approach
The use-me approach
The use-me-but-call-me-something-else approach
The use-glob approach
The use-glob-self approach
Summary
Concurrency in Rust
A bit of a story
What was that all about?
Send
Sync
When is an immutable variable not an immutable variable?
And it's obviously mutable it has mut in the definition
Interior mutability
Back to sync
A beginner's guide to threading in Rust
An easy approach to thinking about how threads work.
Joining threads
Closures
Closures aren't all they first appear to be
Closures as function arguments
Closures with explicit lifetimes – a special case
Returning a closure
What is the move parameter?
Back to threading
Ownership has its advantages
The reference counter
Problem solved – use Mutex
Why do we put the thread to sleep?
Thread synchronization
Thread panics
Summary
Now It's Your Turn!
Task 1 – cleaning the code (part 1)
The problems with each option
The String option
The struct option
The task
Task 2 – cleaning the code (part 2)
The task
Task 3 – extending the crate (part 1)
The task
Task 4 – extending the crate (part 2)
Summary
The Standard Library
Chapter format
What is the standard library?
The standard modules (overview)
Primitive types (overview)
Macros (overview)
Prelude
The standard modules
std::Any
std::ascii
std::borrow
std::boxed
std::cell
std::char
std::clone
std::cmp
std::collections
std::convert
std::default
std:env
std:error
std::f32
std::f64
std:ffi
std::fmt
std::fs
std::hash
std::i8
std::i16
std::i32
std::i64
std::io
std::isize
std::iter
std::marker
std::mem
std:net
std::num
std::os
std::panic
std::path
std::process
std::ptr
std::slice
std::str
std::string
std::sync
std::thread
std::time
std::u8
std::u16
std::u32
std::u64
std::usize
std::vec
Summary
Foreign Function Interfaces
Introducing our simple library
The three-step program
Including the dependency
Creating the code
What's the [link(name="")] for?
What's the big deal? That was simple enough!
Let's extend things a bit
What happens if the types don't match?
Can we make things safer?
Wrappers
A practical example
Accessing global variables
Cleaning up after yourself
Drop it!
Monitoring an external process within an FFI
Targeting synchronous callbacks
Targeting a Rust object
Calling Rust from another language
Dealing with the unknown
C structs
Summary 更新時間：2021-07-02 23:08:10

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