pstd 1.0.108

Crate with parts of Rust std library ( different implementations, features not yet stabilised etc ).
Documentation 
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pub mod btree_map;

pub use btree_map::BTreeMap;

pub mod btree_set;

pub use btree_set::BTreeSet;

/// Hashmap.
pub mod hash_map {
    pub use hashbrown::hash_map::*;
}
pub use hash_map::HashMap;
pub use hashbrown::DefaultHashBuilder;

/// Hashset.
pub mod hash_set {
    pub use hashbrown::hash_set::*;
}
pub use hash_set::HashSet;

mod merge_iter;

/// The error type for `try_reserve` methods.
#[derive(Debug)]
pub struct TryReserveError {
    pub(crate) kind: TryReserveErrorKind,
}

impl TryReserveError {
    /// Details about the allocation that caused the error
    #[must_use]
    pub fn kind(&self) -> TryReserveErrorKind {
        self.kind.clone()
    }
}

/// Details of the allocation that caused a `TryReserveError`
#[derive(Debug, Clone)]
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: std::alloc::Layout,
    },
}