Memory allocation APIs.
Utilities for dynamic typing or type reflection.
SIMD and vendor intrinsics module.
Utilities for the array primitive type.
Operations on ASCII strings and characters.
Support for capturing a stack backtrace of an OS thread
A module for working with borrowed data.
The Box<T>
type for heap allocation.
Shareable mutable containers.
Utilities for the char
primitive type.
The Clone
trait for types that cannot be ‘implicitly copied’.
Utilities for comparing and ordering values.
Collection types.
Traits for conversions between types.
The Default
trait for types with a default value.
Inspection and manipulation of the process’s environment.
Interfaces for working with Errors.
Constants for the f32
single-precision floating point type.
Constants for the f64
double-precision floating point type.
Utilities related to FFI bindings.
Utilities for formatting and printing String
s.
Filesystem manipulation operations.
Asynchronous basic functionality.
Generic hashing support.
Hints to compiler that affects how code should be emitted or optimized.
Hints may be compile time or runtime.
Traits, helpers, and type definitions for core I/O functionality.
Composable external iteration.
Primitive traits and types representing basic properties of types.
Basic functions for dealing with memory.
Networking primitives for TCP/UDP communication.
Additional functionality for numerics.
Overloadable operators.
Optional values.
OS-specific functionality.
Panic support in the standard library.
Cross-platform path manipulation.
Types that pin data to a location in memory.
The Rust Prelude
This module reexports the primitive types to allow usage that is not
possibly shadowed by other declared types.
A module for working with processes.
Manually manage memory through raw pointers.
Single-threaded reference-counting pointers. ‘Rc’ stands for ‘Reference
Counted’.
Error handling with the Result
type.
Utilities for the slice primitive type.
Utilities for the str
primitive type.
A UTF-8–encoded, growable string.
Useful synchronization primitives.
Types and Traits for working with asynchronous tasks.
Native threads.
Temporal quantification.
A contiguous growable array type with heap-allocated contents, written
Vec<T>
.
Unstable module containing the unstable assert_matches
macro.
Composable asynchronous iteration.
Constants for the f16
double-precision floating point type.
Constants for the f128
double-precision floating point type.
Compiler intrinsics.
Helper module for exporting the pattern_type
macro
Module for anonymous pipe
Portable SIMD module.
Asserts that a boolean expression is true
at runtime.
Asserts that two expressions are equal to each other (using
PartialEq
).
Asserts that two expressions are not equal to each other (using
PartialEq
).
Evaluates boolean combinations of configuration flags at compile-time.
Expands to the column number at which it was invoked.
Causes compilation to fail with the given error message when encountered.
Concatenates literals into a static string slice.
Prints and returns the value of a given expression for quick and dirty
debugging.
Asserts that a boolean expression is true
at runtime.
Asserts that two expressions are equal to each other.
Asserts that two expressions are not equal to each other.
Inspects an environment variable at compile time.
Prints to the standard error.
Prints to the standard error, with a newline.
Expands to the file name in which it was invoked.
Creates a String
using interpolation of runtime expressions.
Constructs parameters for the other string-formatting macros.
Parses a file as an expression or an item according to the context.
Includes a file as a reference to a byte array.
Includes a UTF-8 encoded file as a string.
A macro to test at runtime whether a CPU feature is available on
x86/x86-64 platforms.
Expands to the line number on which it was invoked.
Returns whether the given expression matches the provided pattern.
Expands to a string that represents the current module path.
Optionally inspects an environment variable at compile time.
Panics the current thread.
Prints to the standard output.
Prints to the standard output, with a newline.
Stringifies its arguments.
Indicates unfinished code.
Unwraps a result or propagates its error.
Indicates unimplemented code by panicking with a message of “not implemented”.
Indicates unreachable code.
Creates a
Vec
containing the arguments.
Writes formatted data into a buffer.
Writes formatted data into a buffer, with a newline appended.
A macro for defining #[cfg]
match-like statements.
Concatenates literals into a byte slice.
Concatenates identifiers into one identifier.
Same as
format_args
, but can be used in some const contexts.
Prints passed tokens into the standard output.
Enables or disables tracing functionality used for debugging other macros.