core/prelude/
v1.rs

1//! The first version of the core prelude.
2//!
3//! See the [module-level documentation](super) for more.
4
5#![stable(feature = "core_prelude", since = "1.4.0")]
6
7// No formatting: this file is nothing but re-exports, and their order is worth preserving.
8#![cfg_attr(rustfmt, rustfmt::skip)]
9
10// Re-exported core operators
11#[stable(feature = "core_prelude", since = "1.4.0")]
12#[doc(no_inline)]
13pub use crate::marker::{Copy, Send, Sized, Sync, Unpin};
14#[stable(feature = "core_prelude", since = "1.4.0")]
15#[doc(no_inline)]
16pub use crate::ops::{Drop, Fn, FnMut, FnOnce};
17#[stable(feature = "async_closure", since = "1.85.0")]
18#[doc(no_inline)]
19pub use crate::ops::{AsyncFn, AsyncFnMut, AsyncFnOnce};
20
21// Re-exported functions
22#[stable(feature = "core_prelude", since = "1.4.0")]
23#[doc(no_inline)]
24pub use crate::mem::drop;
25#[stable(feature = "size_of_prelude", since = "1.80.0")]
26#[doc(no_inline)]
27pub use crate::mem::{align_of, align_of_val, size_of, size_of_val};
28
29// Re-exported types and traits
30#[stable(feature = "core_prelude", since = "1.4.0")]
31#[doc(no_inline)]
32pub use crate::clone::Clone;
33#[stable(feature = "core_prelude", since = "1.4.0")]
34#[doc(no_inline)]
35pub use crate::cmp::{Eq, Ord, PartialEq, PartialOrd};
36#[stable(feature = "core_prelude", since = "1.4.0")]
37#[doc(no_inline)]
38pub use crate::convert::{AsMut, AsRef, From, Into};
39#[stable(feature = "core_prelude", since = "1.4.0")]
40#[doc(no_inline)]
41pub use crate::default::Default;
42#[stable(feature = "core_prelude", since = "1.4.0")]
43#[doc(no_inline)]
44pub use crate::iter::{DoubleEndedIterator, ExactSizeIterator, Extend, IntoIterator, Iterator};
45#[stable(feature = "core_prelude", since = "1.4.0")]
46#[doc(no_inline)]
47pub use crate::option::Option::{self, None, Some};
48#[stable(feature = "core_prelude", since = "1.4.0")]
49#[doc(no_inline)]
50pub use crate::result::Result::{self, Err, Ok};
51
52// Re-exported built-in macros
53#[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
54#[doc(no_inline)]
55pub use crate::fmt::macros::Debug;
56#[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
57#[doc(no_inline)]
58pub use crate::hash::macros::Hash;
59
60#[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
61#[doc(no_inline)]
62#[expect(deprecated)]
63pub use crate::{
64    assert, assert_eq, assert_ne, cfg, column, compile_error, concat, debug_assert, debug_assert_eq,
65    debug_assert_ne, file, format_args, include, include_bytes, include_str, line, matches,
66    module_path, option_env, stringify, todo, r#try, unimplemented, unreachable, write, writeln,
67};
68
69// These macros need special handling, so that we don't export them *and* the modules of the same
70// name. We only want the macros in the prelude so we shadow the original modules with private
71// modules with the same names.
72mod ambiguous_macros_only {
73    mod env {}
74    #[expect(hidden_glob_reexports)]
75    mod panic {}
76    #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
77    pub use crate::*;
78}
79#[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
80#[doc(no_inline)]
81pub use self::ambiguous_macros_only::{env, panic};
82
83#[unstable(feature = "cfg_select", issue = "115585")]
84#[doc(no_inline)]
85pub use crate::cfg_select;
86
87#[unstable(
88    feature = "concat_bytes",
89    issue = "87555",
90    reason = "`concat_bytes` is not stable enough for use and is subject to change"
91)]
92#[doc(no_inline)]
93pub use crate::concat_bytes;
94
95#[unstable(feature = "const_format_args", issue = "none")]
96#[doc(no_inline)]
97pub use crate::const_format_args;
98
99#[unstable(
100    feature = "log_syntax",
101    issue = "29598",
102    reason = "`log_syntax!` is not stable enough for use and is subject to change"
103)]
104#[doc(no_inline)]
105pub use crate::log_syntax;
106
107#[unstable(feature = "pattern_type_macro", issue = "123646")]
108#[doc(no_inline)]
109pub use crate::pattern_type;
110
111#[unstable(
112    feature = "trace_macros",
113    issue = "29598",
114    reason = "`trace_macros` is not stable enough for use and is subject to change"
115)]
116#[doc(no_inline)]
117pub use crate::trace_macros;
118
119// Do not `doc(no_inline)` so that they become doc items on their own
120// (no public module for them to be re-exported from).
121#[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
122pub use crate::macros::builtin::{
123    alloc_error_handler, bench, derive, global_allocator, test, test_case,
124};
125
126#[unstable(feature = "derive_const", issue = "118304")]
127pub use crate::macros::builtin::derive_const;
128
129#[unstable(
130    feature = "cfg_accessible",
131    issue = "64797",
132    reason = "`cfg_accessible` is not fully implemented"
133)]
134pub use crate::macros::builtin::cfg_accessible;
135
136#[unstable(
137    feature = "cfg_eval",
138    issue = "82679",
139    reason = "`cfg_eval` is a recently implemented feature"
140)]
141pub use crate::macros::builtin::cfg_eval;
142
143#[unstable(
144    feature = "type_ascription",
145    issue = "23416",
146    reason = "placeholder syntax for type ascription"
147)]
148pub use crate::macros::builtin::type_ascribe;
149
150#[unstable(
151    feature = "deref_patterns",
152    issue = "87121",
153    reason = "placeholder syntax for deref patterns"
154)]
155pub use crate::macros::builtin::deref;
156
157#[unstable(
158    feature = "type_alias_impl_trait",
159    issue = "63063",
160    reason = "`type_alias_impl_trait` has open design concerns"
161)]
162pub use crate::macros::builtin::define_opaque;
163
164#[unstable(feature = "extern_item_impls", issue = "125418")]
165pub use crate::macros::builtin::{eii, unsafe_eii};
166
167#[unstable(feature = "eii_internals", issue = "none")]
168pub use crate::macros::builtin::eii_declaration;
core/prelude/v1.rs

core/prelude/
v1.rs
