Module rust_2024

The 2024 version of the core prelude.

See the module-level documentation for more.

Re-exports

• pub use crate::iter::FromIterator;
• pub use crate::convert::TryFrom;
• pub use crate::convert::TryInto;
• pub use crate::future::Future;
• pub use crate::future::IntoFuture;
• 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::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::concat_idents;
  Experimental
• pub use crate::env;
• pub use crate::file;
• pub use crate::format_args;
• pub use crate::format_args_nl;
  Experimental
• 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.
• derive_constExperimental
  Attribute macro used to apply derive macros for implementing traits in a const context.
• test_caseExperimental
  An implementation detail of the #[test] and #[bench] macros.