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Merged
merged 3 commits into from
Jun 2, 2021
Merged

New prelude #85687

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e37ef7a
Add tracking issue for edition-specific preludes.
m-ou-se May 25, 2021
04a4a82
Add new traits to 2021 prelude.
m-ou-se May 25, 2021
4f93b06
Add test for 2021 prelude.
m-ou-se May 25, 2021
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20 changes: 13 additions & 7 deletions library/core/src/prelude/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,31 +11,37 @@ pub mod v1;
/// The 2015 version of the core prelude.
///
/// See the [module-level documentation](self) for more.
#[unstable(feature = "prelude_2015", issue = "none")]
#[unstable(feature = "prelude_2015", issue = "85684")]
pub mod rust_2015 {
#[unstable(feature = "prelude_2015", issue = "none")]
#[unstable(feature = "prelude_2015", issue = "85684")]
#[doc(no_inline)]
pub use super::v1::*;
}

/// The 2018 version of the core prelude.
///
/// See the [module-level documentation](self) for more.
#[unstable(feature = "prelude_2018", issue = "none")]
#[unstable(feature = "prelude_2018", issue = "85684")]
pub mod rust_2018 {
#[unstable(feature = "prelude_2018", issue = "none")]
#[unstable(feature = "prelude_2018", issue = "85684")]
#[doc(no_inline)]
pub use super::v1::*;
}

/// The 2021 version of the core prelude.
///
/// See the [module-level documentation](self) for more.
#[unstable(feature = "prelude_2021", issue = "none")]
#[unstable(feature = "prelude_2021", issue = "85684")]
pub mod rust_2021 {
#[unstable(feature = "prelude_2021", issue = "none")]
#[unstable(feature = "prelude_2021", issue = "85684")]
#[doc(no_inline)]
pub use super::v1::*;

// FIXME: Add more things.
#[unstable(feature = "prelude_2021", issue = "85684")]
#[doc(no_inline)]
pub use crate::iter::FromIterator;

#[unstable(feature = "prelude_2021", issue = "85684")]
#[doc(no_inline)]
pub use crate::convert::{TryFrom, TryInto};
}
14 changes: 7 additions & 7 deletions library/std/src/prelude/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -88,33 +88,33 @@ pub mod v1;
/// The 2015 version of the prelude of The Rust Standard Library.
///
/// See the [module-level documentation](self) for more.
#[unstable(feature = "prelude_2015", issue = "none")]
#[unstable(feature = "prelude_2015", issue = "85684")]
pub mod rust_2015 {
#[unstable(feature = "prelude_2015", issue = "none")]
#[unstable(feature = "prelude_2015", issue = "85684")]
#[doc(no_inline)]
pub use super::v1::*;
}

/// The 2018 version of the prelude of The Rust Standard Library.
///
/// See the [module-level documentation](self) for more.
#[unstable(feature = "prelude_2018", issue = "none")]
#[unstable(feature = "prelude_2018", issue = "85684")]
pub mod rust_2018 {
#[unstable(feature = "prelude_2018", issue = "none")]
#[unstable(feature = "prelude_2018", issue = "85684")]
#[doc(no_inline)]
pub use super::v1::*;
}

/// The 2021 version of the prelude of The Rust Standard Library.
///
/// See the [module-level documentation](self) for more.
#[unstable(feature = "prelude_2021", issue = "none")]
#[unstable(feature = "prelude_2021", issue = "85684")]
pub mod rust_2021 {
#[unstable(feature = "prelude_2021", issue = "none")]
#[unstable(feature = "prelude_2021", issue = "85684")]
#[doc(no_inline)]
pub use super::v1::*;

#[unstable(feature = "prelude_2021", issue = "none")]
#[unstable(feature = "prelude_2021", issue = "85684")]
#[doc(no_inline)]
pub use core::prelude::rust_2021::*;
}
7 changes: 7 additions & 0 deletions src/test/ui/prelude2021.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
// check-pass
// edition:2021
// compile-flags: -Zunstable-options

fn main() {
let _: u16 = 123i32.try_into().unwrap();
}