Module core::prelude::v1

第一个版本的核心 prelude。

有关更多信息，请参见 模块级文档。

Re-exports

• pub use crate::concat_bytes;
  Experimental
• 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::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

Macros

• type_ascribeExperimental
  类型归属的不稳定占位符。

Attribute Macros

• alloc_error_handlerExperimental
  属性宏应用于函数以将其注册为分配失败的处理程序。
• benchExperimental
  属性宏应用于函数以将其转换为基准测试。
• cfg_accessibleExperimental
  如果可以访问传递的路径，则保留适用于它的项，否则将其删除。
• cfg_evalExperimental
  扩展其所应用的代码片段中的所有 #[cfg] 和 #[cfg_attr] 属性。
• derive_constExperimental
  属性宏用于应用派生宏以在 const 上下文中实现 traits。
• test_caseExperimental
  #[test] 和 #[bench] 宏的实现细节。
• derive
  用于应用派生宏的属性宏。
• global_allocator
  将属性宏应用于静态以将其注册为分配器。
• test
  将属性宏应用于函数以将其转换为单元测试。