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std vs core

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alloc ==> Memory allocation APIs.

any ==> Utilities for dynamic typing or type reflection.

arch ==> SIMD and vendor intrinsics module.

array ==> Utilities for the array primitive type.

ascii ==> Operations on ASCII strings and characters.

assert_matches (Experimental) ==> Unstable module containing the unstable assert_matches macro.

async_iter (Experimental) ==> Composable asynchronous iteration.

autodiff (Experimental) ==> This module provides support for automatic differentiation.

autodiff (Experimental) ==> Unstable module containing the unstable autodiff macro.

backtrace ==> Support for capturing a stack backtrace of an OS thread

borrow ==> Utilities for working with borrowed data.

borrow ==> A module for working with borrowed data.

bstr (Experimental) ==> The ByteStr type and trait implementations.

boxed ==> The Box<T> type for heap allocation.

bstr (Experimental) ==> The ByteStr and ByteString types and trait implementations.

cell ==> Shareable mutable containers.

char ==> Utilities for the char primitive type.

clone ==> The Clone trait for types that cannot be ‘implicitly copied’.

cmp ==> Utilities for comparing and ordering values.

collections ==> Collection types.

contracts (Experimental) ==> Unstable module containing the unstable contracts lang items and attribute macros.

convert ==> Traits for conversions between types.

default ==> The Default trait for types with a default value.

env ==> Inspection and manipulation of the process’s environment.

error ==> Interfaces for working with Errors.

f128 (Experimental) ==> Constants for the f128 quadruple-precision floating point type.

f16 (Experimental) ==> Constants for the f16 half-precision floating point type.

f32 ==> Constants for the f32 single-precision floating point type.

f64 ==> Constants for the f64 double-precision floating point type.

ffi ==> Utilities related to FFI bindings.

ffi ==> Platform-specific types, as defined by C.

fmt ==> Utilities for formatting and printing Strings.

fmt ==> Utilities for formatting and printing strings.

fs ==> Filesystem manipulation operations.

future ==> Asynchronous basic functionality.

hash ==> Generic hashing support.

hint ==> Hints to compiler that affects how code should be emitted or optimized.

i128 (Deprecation planned) ==> Redundant constants module for the i128 primitive type.

i16 (Deprecation planned) ==> Redundant constants module for the i16 primitive type.

i32 (Deprecation planned) ==> Redundant constants module for the i32 primitive type.

i64 (Deprecation planned) ==> Redundant constants module for the i64 primitive type.

i8 (Deprecation planned) ==> Redundant constants module for the i8 primitive type.

intrinsics (Experimental) ==> Compiler intrinsics.

io ==> Traits, helpers, and type definitions for core I/O functionality.

io (Experimental) ==> Traits, helpers, and type definitions for core I/O functionality.

isize (Deprecation planned) ==> Redundant constants module for the isize primitive type.

iter ==> Composable external iteration.

marker ==> Primitive traits and types representing basic properties of types.

mem ==> Basic functions for dealing with memory.

net ==> Networking primitives for TCP/UDP communication.

net ==> Networking primitives for IP communication.

num ==> Additional functionality for numerics.

num ==> Numeric traits and functions for the built-in numeric types.

ops ==> Overloadable operators.

option ==> Optional values.

os ==> OS-specific functionality.

panic ==> Panic support in the standard library.

panicking (Experimental) ==> Panic support for core

pat (Experimental) ==> Helper module for exporting the pattern_type macro

path ==> Cross-platform path manipulation.

pin ==> Types that pin data to a location in memory.

prelude ==> The Rust Prelude

prelude ==> The core prelude

primitive ==> This module reexports the primitive types to allow usage that is not possibly shadowed by other declared types.

process ==> A module for working with processes.

ptr ==> Manually manage memory through raw pointers.

random (Experimental) ==> Random value generation.

range (Experimental) ==> Experimental replacement range types

rc ==> Single-threaded reference-counting pointers. ‘Rc’ stands for ‘Reference Counted’.

result ==> Error handling with the Result type.

simd (Experimental) ==> Portable SIMD module.

slice ==> Utilities for the slice primitive type.

slice ==> Slice management and manipulation.

str ==> Utilities for the str primitive type.

str ==> String manipulation.

string ==> A UTF-8–encoded, growable string.

sync ==> Synchronization primitives

sync ==> Useful synchronization primitives.

task ==> Types and Traits for working with asynchronous tasks.

thread ==> Native threads.

time ==> Temporal quantification.

u128 (Deprecation planned) ==> Redundant constants module for the u128 primitive type.

u16 (Deprecation planned) ==> Redundant constants module for the u16 primitive type.

u32 (Deprecation planned) ==> Redundant constants module for the u32 primitive type.

u64 (Deprecation planned) ==> Redundant constants module for the u64 primitive type.

u8 (Deprecation planned) ==> Redundant constants module for the u8 primitive type.

ub_checks (Experimental) ==> Provides the assert_unsafe_precondition macro as well as some utility functions that cover common preconditions.

unicode (Experimental) ==> [no description]

unsafe_binder (Experimental) ==> Operators used to turn types into unsafe binders and back.

usize (Deprecation planned) ==> Redundant constants module for the usize primitive type.

vec ==> A contiguous growable array type with heap-allocated contents, written Vec<T>.

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alloc ==> Memory allocation APIs.
any ==> Utilities for dynamic typing or type reflection.
arch ==> SIMD and vendor intrinsics module.
array ==> Utilities for the array primitive type.
ascii ==> Operations on ASCII strings and characters.
assert_matches (Experimental) ==> Unstable module containing the unstable assert_matches macro.
async_iter (Experimental) ==> Composable asynchronous iteration.
autodiff (Experimental) ==> This module provides support for automatic differentiation.
backtrace ==> Support for capturing a stack backtrace of an OS thread
borrow ==> A module for working with borrowed data.
boxed ==> The Box<T> type for heap allocation.
bstr (Experimental) ==> The ByteStr and ByteString types and trait implementations.
cell ==> Shareable mutable containers.
char ==> Utilities for the char primitive type.
clone ==> The Clone trait for types that cannot be ‘implicitly copied’.
cmp ==> Utilities for comparing and ordering values.
collections ==> Collection types.
convert ==> Traits for conversions between types.
default ==> The Default trait for types with a default value.
env ==> Inspection and manipulation of the process’s environment.
error ==> Interfaces for working with Errors.
f128 (Experimental) ==> Constants for the f128 quadruple-precision floating point type.
f16 (Experimental) ==> Constants for the f16 half-precision floating point type.
f32 ==> Constants for the f32 single-precision floating point type.
f64 ==> Constants for the f64 double-precision floating point type.
ffi ==> Utilities related to FFI bindings.
fmt ==> Utilities for formatting and printing Strings.
fs ==> Filesystem manipulation operations.
future ==> Asynchronous basic functionality.
hash ==> Generic hashing support.
hint ==> Hints to compiler that affects how code should be emitted or optimized.
i128 (Deprecation planned) ==> Redundant constants module for the i128 primitive type.
i16 (Deprecation planned) ==> Redundant constants module for the i16 primitive type.
i32 (Deprecation planned) ==> Redundant constants module for the i32 primitive type.
i64 (Deprecation planned) ==> Redundant constants module for the i64 primitive type.
i8 (Deprecation planned) ==> Redundant constants module for the i8 primitive type.
intrinsics (Experimental) ==> Compiler intrinsics.
io ==> Traits, helpers, and type definitions for core I/O functionality.
isize (Deprecation planned) ==> Redundant constants module for the isize primitive type.
iter ==> Composable external iteration.
marker ==> Primitive traits and types representing basic properties of types.
mem ==> Basic functions for dealing with memory.
net ==> Networking primitives for TCP/UDP communication.
num ==> Additional functionality for numerics.
ops ==> Overloadable operators.
option ==> Optional values.
os ==> OS-specific functionality.
panic ==> Panic support in the standard library.
pat (Experimental) ==> Helper module for exporting the pattern_type macro
path ==> Cross-platform path manipulation.
pin ==> Types that pin data to a location in memory.
prelude ==> The Rust Prelude
primitive ==> This module reexports the primitive types to allow usage that is not possibly shadowed by other declared types.
process ==> A module for working with processes.
ptr ==> Manually manage memory through raw pointers.
random (Experimental) ==> Random value generation.
range (Experimental) ==> Experimental replacement range types
rc ==> Single-threaded reference-counting pointers. ‘Rc’ stands for ‘Reference Counted’.
result ==> Error handling with the Result type.
simd (Experimental) ==> Portable SIMD module.
slice ==> Utilities for the slice primitive type.
str ==> Utilities for the str primitive type.
string ==> A UTF-8–encoded, growable string.
sync ==> Useful synchronization primitives.
task ==> Types and Traits for working with asynchronous tasks.
thread ==> Native threads.
time ==> Temporal quantification.
u128 (Deprecation planned) ==> Redundant constants module for the u128 primitive type.
u16 (Deprecation planned) ==> Redundant constants module for the u16 primitive type.
u32 (Deprecation planned) ==> Redundant constants module for the u32 primitive type.
u64 (Deprecation planned) ==> Redundant constants module for the u64 primitive type.
u8 (Deprecation planned) ==> Redundant constants module for the u8 primitive type.
unsafe_binder (Experimental) ==> Operators used to turn types into unsafe binders and back.
usize (Deprecation planned) ==> Redundant constants module for the usize primitive type.
vec ==> A contiguous growable array type with heap-allocated contents, written Vec<T>.

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alloc ==> Memory allocation APIs.
any ==> Utilities for dynamic typing or type reflection.
arch ==> SIMD and vendor intrinsics module.
array ==> Utilities for the array primitive type.
ascii ==> Operations on ASCII strings and characters.
assert_matches (Experimental) ==> Unstable module containing the unstable assert_matches macro.
async_iter (Experimental) ==> Composable asynchronous iteration.
autodiff (Experimental) ==> Unstable module containing the unstable autodiff macro.
borrow ==> Utilities for working with borrowed data.
bstr (Experimental) ==> The ByteStr type and trait implementations.
cell ==> Shareable mutable containers.
char ==> Utilities for the char primitive type.
clone ==> The Clone trait for types that cannot be ‘implicitly copied’.
cmp ==> Utilities for comparing and ordering values.
contracts (Experimental) ==> Unstable module containing the unstable contracts lang items and attribute macros.
convert ==> Traits for conversions between types.
default ==> The Default trait for types with a default value.
error ==> Interfaces for working with Errors.
f128 (Experimental) ==> Constants for the f128 quadruple-precision floating point type.
f16 (Experimental) ==> Constants for the f16 half-precision floating point type.
f32 ==> Constants for the f32 single-precision floating point type.
f64 ==> Constants for the f64 double-precision floating point type.
ffi ==> Platform-specific types, as defined by C.
fmt ==> Utilities for formatting and printing strings.
future ==> Asynchronous basic functionality.
hash ==> Generic hashing support.
hint ==> Hints to compiler that affects how code should be emitted or optimized.
i128 (Deprecation planned) ==> Redundant constants module for the i128 primitive type.
i16 (Deprecation planned) ==> Redundant constants module for the i16 primitive type.
i32 (Deprecation planned) ==> Redundant constants module for the i32 primitive type.
i64 (Deprecation planned) ==> Redundant constants module for the i64 primitive type.
i8 (Deprecation planned) ==> Redundant constants module for the i8 primitive type.
intrinsics (Experimental) ==> Compiler intrinsics.
io (Experimental) ==> Traits, helpers, and type definitions for core I/O functionality.
isize (Deprecation planned) ==> Redundant constants module for the isize primitive type.
iter ==> Composable external iteration.
marker ==> Primitive traits and types representing basic properties of types.
mem ==> Basic functions for dealing with memory.
net ==> Networking primitives for IP communication.
num ==> Numeric traits and functions for the built-in numeric types.
ops ==> Overloadable operators.
option ==> Optional values.
panic ==> Panic support in the standard library.
panicking (Experimental) ==> Panic support for core
pat (Experimental) ==> Helper module for exporting the pattern_type macro
pin ==> Types that pin data to a location in memory.
prelude ==> The core prelude
primitive ==> This module reexports the primitive types to allow usage that is not possibly shadowed by other declared types.
ptr ==> Manually manage memory through raw pointers.
random (Experimental) ==> Random value generation.
range (Experimental) ==> Experimental replacement range types
result ==> Error handling with the Result type.
simd (Experimental) ==> Portable SIMD module.
slice ==> Slice management and manipulation.
str ==> String manipulation.
sync ==> Synchronization primitives
task ==> Types and Traits for working with asynchronous tasks.
time ==> Temporal quantification.
u128 (Deprecation planned) ==> Redundant constants module for the u128 primitive type.
u16 (Deprecation planned) ==> Redundant constants module for the u16 primitive type.
u32 (Deprecation planned) ==> Redundant constants module for the u32 primitive type.
u64 (Deprecation planned) ==> Redundant constants module for the u64 primitive type.
u8 (Deprecation planned) ==> Redundant constants module for the u8 primitive type.
ub_checks (Experimental) ==> Provides the assert_unsafe_precondition macro as well as some utility functions that cover common preconditions.
unicode (Experimental) ==> [no description]
unsafe_binder (Experimental) ==> Operators used to turn types into unsafe binders and back.
usize (Deprecation planned) ==> Redundant constants module for the usize primitive type.