1 files changed, 112 insertions, 0 deletions
diff --git a/library/std/src/prelude/common.rs b/library/std/src/prelude/common.rs
new file mode 100644
index 00000000000..f61e04e02b6
--- /dev/null
+++ b/library/std/src/prelude/common.rs
@@ -0,0 +1,112 @@
+//! Items common to the prelude of all editions.
+//!
+//! See the [module-level documentation](super) for more.
+
+// Re-exported core operators
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::marker::{Send, Sized, Sync, Unpin};
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::ops::{Drop, Fn, FnMut, FnOnce};
+
+// Re-exported functions
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::mem::drop;
+
+// Re-exported types and traits
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::convert::{AsMut, AsRef, From, Into};
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::iter::{DoubleEndedIterator, ExactSizeIterator};
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::iter::{Extend, IntoIterator, Iterator};
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::option::Option::{self, None, Some};
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::result::Result::{self, Err, Ok};
+
+// Re-exported built-in macros
+#[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
+#[allow(deprecated)]
+#[doc(no_inline)]
+pub use core::prelude::v1::{
+    assert, cfg, column, compile_error, concat, concat_idents, env, file, format_args,
+    format_args_nl, include, include_bytes, include_str, line, log_syntax, module_path, option_env,
+    stringify, trace_macros, Clone, Copy, Debug, Default, Eq, Hash, Ord, PartialEq, PartialOrd,
+};
+
+#[unstable(
+    feature = "concat_bytes",
+    issue = "87555",
+    reason = "`concat_bytes` is not stable enough for use and is subject to change"
+)]
+#[doc(no_inline)]
+pub use core::prelude::v1::concat_bytes;
+
+// Do not `doc(no_inline)` so that they become doc items on their own
+// (no public module for them to be re-exported from).
+#[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
+pub use core::prelude::v1::{
+    alloc_error_handler, bench, derive, global_allocator, test, test_case,
+};
+
+#[unstable(feature = "derive_const", issue = "none")]
+pub use core::prelude::v1::derive_const;
+
+// Do not `doc(no_inline)` either.
+#[unstable(
+    feature = "cfg_accessible",
+    issue = "64797",
+    reason = "`cfg_accessible` is not fully implemented"
+)]
+pub use core::prelude::v1::cfg_accessible;
+
+// Do not `doc(no_inline)` either.
+#[unstable(
+    feature = "cfg_eval",
+    issue = "82679",
+    reason = "`cfg_eval` is a recently implemented feature"
+)]
+pub use core::prelude::v1::cfg_eval;
+
+// Do not `doc(no_inline)` either.
+#[unstable(
+    feature = "type_ascription",
+    issue = "23416",
+    reason = "placeholder syntax for type ascription"
+)]
+pub use core::prelude::v1::type_ascribe;
+
+#[cfg(not(bootstrap))]
+// Do not `doc(no_inline)` either.
+#[unstable(
+    feature = "deref_patterns",
+    issue = "87121",
+    reason = "placeholder syntax for deref patterns"
+)]
+pub use core::prelude::v1::deref;
+
+// The file so far is equivalent to core/src/prelude/v1.rs. It is duplicated
+// rather than glob imported because we want docs to show these re-exports as
+// pointing to within `std`.
+// Below are the items from the alloc crate.
+
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::borrow::ToOwned;
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::boxed::Box;
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::string::{String, ToString};
+#[stable(feature = "rust1", since = "1.0.0")]
+#[doc(no_inline)]
+pub use crate::vec::Vec;