Module v1 

The first version of the core prelude.

See the module-level documentation for more.

Re-exports

pub use crate::marker::Copy;

pub use crate::marker::Copy;

pub use crate::marker::Send;

pub use crate::marker::Sized;

pub use crate::marker::Sync;

pub use crate::marker::Unpin;

pub use crate::ops::Drop;

pub use crate::ops::Fn;

pub use crate::ops::FnMut;

pub use crate::ops::FnOnce;

pub use crate::ops::AsyncFn;

pub use crate::ops::AsyncFnMut;

pub use crate::ops::AsyncFnOnce;

pub use crate::mem::drop;

pub use crate::mem::align_of;

pub use crate::mem::align_of_val;

pub use crate::mem::size_of;

pub use crate::mem::size_of_val;

pub use crate::clone::Clone;

pub use crate::clone::Clone;

pub use crate::cmp::Eq;

pub use crate::cmp::Eq;

pub use crate::cmp::Ord;

pub use crate::cmp::Ord;

pub use crate::cmp::PartialEq;

pub use crate::cmp::PartialEq;

pub use crate::cmp::PartialOrd;

pub use crate::cmp::PartialOrd;

pub use crate::convert::AsMut;

pub use crate::convert::AsRef;

pub use crate::convert::From;

pub use crate::convert::Into;

pub use crate::default::Default;

pub use crate::default::Default;

pub use crate::iter::DoubleEndedIterator;

pub use crate::iter::ExactSizeIterator;

pub use crate::iter::Extend;

pub use crate::iter::IntoIterator;

pub use crate::iter::Iterator;

pub use crate::option::Option;

pub use crate::option::Option::None;

pub use crate::option::Option::Some;

pub use crate::result::Result;

pub use crate::result::Result::Err;

pub use crate::result::Result::Ok;

pub use crate::fmt::macros::Debug;

pub use crate::hash::macros::Hash;

pub use crate::assert;

pub use crate::cfg;

pub use crate::column;

pub use crate::compile_error;

pub use crate::concat;

pub use crate::env;

pub use crate::file;

pub use crate::format_args;

pub use crate::include;

pub use crate::include_bytes;

pub use crate::include_str;

pub use crate::line;

pub use crate::log_syntax;Experimental

pub use crate::module_path;

pub use crate::option_env;

pub use crate::stringify;

pub use crate::trace_macros;Experimental

pub use crate::concat_bytes;Experimental

Macros

derefExperimental

Unstable placeholder for deref patterns.

type_ascribeExperimental

Unstable placeholder for type ascription.

Attribute Macros

derive

Attribute macro used to apply derive macros.

global_allocator

Attribute macro applied to a static to register it as a global allocator.

test

Attribute macro applied to a function to turn it into a unit test.

alloc_error_handlerExperimental

Attribute macro applied to a function to register it as a handler for allocation failure.

benchExperimental

Attribute macro applied to a function to turn it into a benchmark test.

cfg_accessibleExperimental

Keeps the item it’s applied to if the passed path is accessible, and removes it otherwise.

cfg_evalExperimental

Expands all #[cfg] and #[cfg_attr] attributes in the code fragment it’s applied to.

define_opaqueExperimental

Provide a list of type aliases and other opaque-type-containing type definitions to an item with a body. This list will be used in that body to define opaque types’ hidden types. Can only be applied to things that have bodies.

derive_constExperimental

Attribute macro used to apply derive macros for implementing traits in a const context.

eiiExperimental

Externally Implementable Item: Defines an attribute macro that can override the item this is applied to.

eii_extern_targetExperimental

Impl detail of EII

test_caseExperimental

An implementation detail of the #[test] and #[bench] macros.

unsafe_eiiExperimental

Unsafely Externally Implementable Item: Defines an unsafe attribute macro that can override the item this is applied to.

Derive Macros

FromExperimental

Derive macro generating an impl of the trait From. Currently, it can only be used on single-field structs.