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Diffstat (limited to 'rust/alloc/collections/mod.rs')
| -rw-r--r-- | rust/alloc/collections/mod.rs | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/rust/alloc/collections/mod.rs b/rust/alloc/collections/mod.rs deleted file mode 100644 index 00ffb3b97365..000000000000 --- a/rust/alloc/collections/mod.rs +++ /dev/null @@ -1,160 +0,0 @@ -// SPDX-License-Identifier: Apache-2.0 OR MIT - -//! Collection types. - -#![stable(feature = "rust1", since = "1.0.0")] - -#[cfg(not(no_global_oom_handling))] -pub mod binary_heap; -#[cfg(not(no_global_oom_handling))] -mod btree; -#[cfg(not(no_global_oom_handling))] -pub mod linked_list; -#[cfg(not(no_global_oom_handling))] -pub mod vec_deque; - -#[cfg(not(no_global_oom_handling))] -#[stable(feature = "rust1", since = "1.0.0")] -pub mod btree_map { - //! An ordered map based on a B-Tree. - #[stable(feature = "rust1", since = "1.0.0")] - pub use super::btree::map::*; -} - -#[cfg(not(no_global_oom_handling))] -#[stable(feature = "rust1", since = "1.0.0")] -pub mod btree_set { - //! An ordered set based on a B-Tree. - #[stable(feature = "rust1", since = "1.0.0")] - pub use super::btree::set::*; -} - -#[cfg(not(no_global_oom_handling))] -#[stable(feature = "rust1", since = "1.0.0")] -#[doc(no_inline)] -pub use binary_heap::BinaryHeap; - -#[cfg(not(no_global_oom_handling))] -#[stable(feature = "rust1", since = "1.0.0")] -#[doc(no_inline)] -pub use btree_map::BTreeMap; - -#[cfg(not(no_global_oom_handling))] -#[stable(feature = "rust1", since = "1.0.0")] -#[doc(no_inline)] -pub use btree_set::BTreeSet; - -#[cfg(not(no_global_oom_handling))] -#[stable(feature = "rust1", since = "1.0.0")] -#[doc(no_inline)] -pub use linked_list::LinkedList; - -#[cfg(not(no_global_oom_handling))] -#[stable(feature = "rust1", since = "1.0.0")] -#[doc(no_inline)] -pub use vec_deque::VecDeque; - -use crate::alloc::{Layout, LayoutError}; -use core::fmt::Display; - -/// The error type for `try_reserve` methods. -#[derive(Clone, PartialEq, Eq, Debug)] -#[stable(feature = "try_reserve", since = "1.57.0")] -pub struct TryReserveError { - kind: TryReserveErrorKind, -} - -impl TryReserveError { - /// Details about the allocation that caused the error - #[inline] - #[must_use] - #[unstable( - feature = "try_reserve_kind", - reason = "Uncertain how much info should be exposed", - issue = "48043" - )] - pub fn kind(&self) -> TryReserveErrorKind { - self.kind.clone() - } -} - -/// Details of the allocation that caused a `TryReserveError` -#[derive(Clone, PartialEq, Eq, Debug)] -#[unstable( - feature = "try_reserve_kind", - reason = "Uncertain how much info should be exposed", - issue = "48043" -)] -pub enum TryReserveErrorKind { - /// Error due to the computed capacity exceeding the collection's maximum - /// (usually `isize::MAX` bytes). - CapacityOverflow, - - /// The memory allocator returned an error - AllocError { - /// The layout of allocation request that failed - layout: Layout, - - #[doc(hidden)] - #[unstable( - feature = "container_error_extra", - issue = "none", - reason = "\ - Enable exposing the allocator’s custom error value \ - if an associated type is added in the future: \ - https://github.com/rust-lang/wg-allocators/issues/23" - )] - non_exhaustive: (), - }, -} - -#[unstable( - feature = "try_reserve_kind", - reason = "Uncertain how much info should be exposed", - issue = "48043" -)] -impl From<TryReserveErrorKind> for TryReserveError { - #[inline] - fn from(kind: TryReserveErrorKind) -> Self { - Self { kind } - } -} - -#[unstable(feature = "try_reserve_kind", reason = "new API", issue = "48043")] -impl From<LayoutError> for TryReserveErrorKind { - /// Always evaluates to [`TryReserveErrorKind::CapacityOverflow`]. - #[inline] - fn from(_: LayoutError) -> Self { - TryReserveErrorKind::CapacityOverflow - } -} - -#[stable(feature = "try_reserve", since = "1.57.0")] -impl Display for TryReserveError { - fn fmt( - &self, - fmt: &mut core::fmt::Formatter<'_>, - ) -> core::result::Result<(), core::fmt::Error> { - fmt.write_str("memory allocation failed")?; - let reason = match self.kind { - TryReserveErrorKind::CapacityOverflow => { - " because the computed capacity exceeded the collection's maximum" - } - TryReserveErrorKind::AllocError { .. } => { - " because the memory allocator returned an error" - } - }; - fmt.write_str(reason) - } -} - -/// An intermediate trait for specialization of `Extend`. -#[doc(hidden)] -#[cfg(not(no_global_oom_handling))] -trait SpecExtend<I: IntoIterator> { - /// Extends `self` with the contents of the given iterator. - fn spec_extend(&mut self, iter: I); -} - -#[stable(feature = "try_reserve", since = "1.57.0")] -impl core::error::Error for TryReserveError {} |