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The Rust Edition Guide
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3.7. Ownership and lifetimes

 来源:Rust 浏览 417 扫码 分享 2020-02-11 18:15:01
  • Ownership and lifetimes

    Ownership and lifetimes

    In this chapter of the guide, we discuss a few improvements to ownership and lifetimes.One of the most notable of these is default match binding modes.

    当前内容版权归 Rust 或其关联方所有，如需对内容或内容相关联开源项目进行关注与资助，请访问 Rust .
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    • Introduction
    • 1. What are editions?
      • 1.1. Creating a new project
      • 1.2. Transitioning an existing project to a new edition
    • 2. Rust 2015
    • 3. Rust 2018
      • 3.1. 2018-Specific Changes
      • 3.2. Module system
        • 3.2.1. Raw identifiers
        • 3.2.2. Path clarity
        • 3.2.3. More visibility modifiers
        • 3.2.4. Nested imports with use
      • 3.3. Error handling and panics
        • 3.3.1. The ? operator for easier error handling
        • 3.3.2. ? in main and tests
        • 3.3.3. Controlling panics with std::panic
        • 3.3.4. Aborting on panic
      • 3.4. Control flow
        • 3.4.1. Loops can break with a value
        • 3.4.2. async/await for easier concurrency
      • 3.5. Trait system
        • 3.5.1. impl Trait for returning complex types with ease
        • 3.5.2. dyn Trait for trait objects
        • 3.5.3. More container types support trait objects
        • 3.5.4. Associated constants
        • 3.5.5. No more anonymous parameters
      • 3.6. Slice patterns
      • 3.7. Ownership and lifetimes
        • 3.7.1. Non-lexical lifetimes
        • 3.7.2. Default match bindings
        • 3.7.3. '_, the anonymous lifetime
        • 3.7.4. Lifetime elision in impl
        • 3.7.5. T: 'a inference in structs
        • 3.7.6. Simpler lifetimes in static and const
      • 3.8. Data types
        • 3.8.1. Field init shorthand
        • 3.8.2. ..= for inclusive ranges
        • 3.8.3. 128 bit integers
        • 3.8.4. "Operator-equals" are now implementable
        • 3.8.5. union for an unsafe form of enum
        • 3.8.6. Choosing alignment with the repr attribute
      • 3.9. SIMD for faster computing
      • 3.10. Macros
        • 3.10.1. Custom Derive
        • 3.10.2. Macro changes
        • 3.10.3. At most one repetition
      • 3.11. The compiler
        • 3.11.1. Improved error messages
        • 3.11.2. Incremental Compilation for faster compiles
        • 3.11.3. An attribute for deprecation
      • 3.12. Rustup for managing Rust versions
      • 3.13. Cargo and crates.io
        • 3.13.1. cargo check for faster checking
        • 3.13.2. cargo install for easy installation of tools
        • 3.13.3. cargo new defaults to a binary project
        • 3.13.4. cargo rustc for passing arbitrary flags to rustc
        • 3.13.5. Cargo workspaces for multi-package projects
        • 3.13.6. Multi-file examples
        • 3.13.7. Replacing dependencies with patch
        • 3.13.8. Cargo can use a local registry replacement
        • 3.13.9. Crates.io disallows wildcard dependencies
      • 3.14. Documentation
        • 3.14.1. New editions of the "the book"
        • 3.14.2. The Rust Bookshelf
        • 3.14.3. The Rustonomicon
        • 3.14.4. Full documentation for std::os
      • 3.15. rustdoc
        • 3.15.1. Documentation tests can now compile-fail
        • 3.15.2. Rustdoc uses CommonMark
      • 3.16. Platform and target support
        • 3.16.1. libcore for low-level Rust
        • 3.16.2. WebAssembly support
        • 3.16.3. Global allocators
        • 3.16.4. MSVC toolchain support
        • 3.16.5. MUSL support for fully static binaries
        • 3.16.6. cdylib crates for C interoperability
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