std::alloc↗ | Memory allocation APIs. For advanced users. | Memory Management |
std::any↗ | Utilities for dynamic typing or type reflection. Home of Any↗. Use for plugins, extensibility, scripting. Advanced. | Development Tools: Cargo Plugins Scripting |
std::arch↗ | SIMD and vendor intrinsics module. Advanced topic. | std::simd↗ module |
std::array↗ | Utilities for the array primitive type [T; N]. | Data Structures, Vectors, Slices |
std::ascii↗ | Operations on ASCII strings and characters. You may use escape_default↗ | Encoding |
std::backtrace↗ | Support for capturing a stack backtrace of an OS thread. | Error Handling |
std::borrow↗ | A module for working with borrowed data. Home of Borrow↗ and BorrowMut↗. | Borrow, Ownership and Borrowing |
std::boxed↗ | The Box<T>↗ type for heap allocation. | Box |
std::cell↗ | Shareable mutable containers. Home of RefCell<T>↗. | Interior Mutability |
std::char↗ | Utilities for the char↗ primitive type. | |
std::clone↗ | The Clone↗ trait for types that cannot be implicitly copied. | ToOwned↗, Cow |
std::cmp↗ | Utilities for comparing and ordering values. Home of PartialEq↗, Eq↗, PartialOrd↗, Ord↗. | Equality and Ordering, Algorithms, Sorting |
std::collections↗ | Collection types. Home of HashMap↗, HashSet↗ and others. | HashMap, Data Structures |
std::convert↗ | Traits for conversions between types: AsRef↗, From↗ and others. | AsRef |
std::default↗ | The Default↗ trait for types with a default value. | Conversion Traits, |
std::env↗ | Inspection and manipulation of the process's environment. | Environment Variables |
std::error↗ | Error↗ Interfaces. | Error Handling |
std::f32↗ | Constants for the f32 single-precision floating point type. | Data Types |
std::f64↗ | Constants for the f64 double-precision floating point type. | Data Types |
std::ffi↗ | Utilities related to FFI bindings. Home of OsString↗ and CString↗. | Other Strings |
std::fmt↗ | Utilities for formatting and printing Strings. Home of the Write↗ trait. | Strings, format!↗ macro |
std::fs↗ | Filesystem manipulation operations. Home of File↗ and many useful functions. | Filesystem, Directories |
std::future↗ | Asynchronous basic functionality. Home of the Future↗ trait. | Async |
std::hash↗ | Generic hashing support. Home of the Hash↗ trait. | Cryptography, Data Structures |
std::hint↗ | Hints to compiler that affects how code should be emitted or optimized. Advanced. | Benchmarking |
std::io↗ | Traits, helpers, and type definitions for core I/O functionality. Home of the Read↗ and Write↗ traits and useful functions. | Read & Write from Files |
std::iter↗ | Composable external iteration. Home of the Iterator↗ and IntoIterator↗ traits. | Iterators |
std::marker↗ | Primitive traits and types representing basic properties of types. Home of Send↗, Sync↗, Sized↗, Copy↗, and PhantomData↗. | Send & Sync, Ownership & Borrowing, Derive |
std::mem↗ | Basic functions for dealing with memory, such as drop↗. | Memory Management |
std::net↗ | Networking primitives for TCP/UDP communication. Home of IpAddr↗ and TcpListener↗. | Network Programming |
std::num↗ | Additional functionality for numerics. Home of NonZero↗, Saturating↗, and Wrapping↗. | Data Types, Mathematics |
std::ops↗ | Overloadable operators, e.g., Add↗, Mul↗ and Index↗. Also home of Fn↗ and related traits; Deref↗ and Drop↗. | Ops, Drop, Closures, Memory Management |
std::option↗ | Optional values via Option↗. | Option |
std::os↗ | OS-specific functionality. | OS |
std::panic↗ | Panic support in the standard library. | Error Handling |
std::path↗ | Cross-platform path manipulation with PathBuf↗ and Path↗ | Filesystem |
std::pin↗ | Types that pin data to a location in memory, via Pin↗. | Pin, Rust-specific Patterns |
std::prelude↗ | The prelude that Rust automatically imports into every Rust program. | Code Organization |
std::primitive↗ | This module reexports the primitive types to allow usage that is not possibly shadowed by other declared types. | Data Types |
std::process↗ | A module for working with processes. Home of Command↗ and exit()↗. | External Commands |
std::ptr↗ | Manually manage memory through raw pointers, e.g. NotNull↗ and many unsafe functions. Advanced topic. | Ownership & Borrowing |
std::rc↗ | Single-threaded reference-counting pointers. 'Rc' stands for "Reference Counted". See Rc↗. | Reference Counting |
std::result↗ | Error handling with the Result↗ type. | Result |
std::slice↗ | Utilities for the slice↗ primitive type. | Slices |
std::str↗ | Utilities for the str↗ primitive type. | Slices, String |
std::string↗ | A UTF-8–encoded, growable String↗. | String |
std::sync↗ | Useful synchronization primitives: Arc↗, Mutex↗, LazyLock↗. | Concurrency, Smart Pointers, Sync |
std::task↗ | Types and Traits for working with asynchronous tasks. For advanced users. | Asynchronous |
std::thread↗ | Native threads with Thread↗. | Explicit Thread |
std::time↗ | Temporal quantification with Duration↗ and Instant↗. | Date & Time |
std::vec↗ | A contiguous growable array type with heap-allocated contents, written Vec<T>↗. | Vectors |
