Utilities for dynamic typing or type reflection.
SIMD and vendor intrinsics module.
Utilities for the array primitive type.
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.
Traits for conversions between types.
The Default
trait for types with a default value.
Utilities for formatting and printing String
s.
Generic hashing support.
Hints to compiler that affects how code should be emitted or optimized.
Hints may be compile time or runtime.
Composable external iteration.
Primitive traits and types representing basic properties of types.
Basic functions for dealing with memory.
Overloadable operators.
Optional values.
Types that pin data to a location in memory.
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.
Compiler intrinsics.
A contiguous growable array type with heap-allocated contents, written
Vec<T>
.
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.
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.
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.
Expands to the line number on which it was invoked.
Expands to a string that represents the current module path.
Optionally inspects an environment variable at compile time.
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.
Write formatted data into a buffer, with a newline appended.
Concatenates identifiers into one identifier.
Prints passed tokens into the standard output.
Enables or disables tracing functionality used for debugging other macros.