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Add {core,std}::prelude::{rust_2015,rust_2018,rust_2021}.

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rust_2015 and rust_2018 are just re-exports of v1.
rust_2021 is a module that for now just re-exports everything from v1,
such that we can add more things later.
This commit is contained in:
Mara Bos
2021-02-17 13:33:47 +01:00
parent 89d32eb1ea
commit 1ab9fe5d44
4 changed files with 73 additions and 4 deletions
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36
library/core/src/prelude/mod.rs
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@@ -1,5 +1,41 @@
//! The libcore prelude
//!
//! This module is intended for users of libcore which do not link to libstd as
//! well. This module is imported by default when `#![no_std]` is used in the
//! same manner as the standard library's prelude.
#![stable(feature = "core_prelude", since = "1.4.0")]
pub mod v1;
/// The 2015 version of the core prelude.
///
/// See the [module-level documentation](../index.html) for more.
#[unstable(feature = "prelude_2015", issue = "none")]
pub mod rust_2015 {
#[unstable(feature = "prelude_2015", issue = "none")]
#[doc(no_inline)]
pub use super::v1::*;
}
/// The 2018 version of the core prelude.
///
/// See the [module-level documentation](../index.html) for more.
#[unstable(feature = "prelude_2018", issue = "none")]
pub mod rust_2018 {
#[unstable(feature = "prelude_2018", issue = "none")]
#[doc(no_inline)]
pub use super::v1::*;
}
/// The 2021 version of the core prelude.
///
/// See the [module-level documentation](../index.html) for more.
#[unstable(feature = "prelude_2021", issue = "none")]
pub mod rust_2021 {
#[unstable(feature = "prelude_2021", issue = "none")]
#[doc(no_inline)]
pub use super::v1::*;
// FIXME: Add more things.
}