[package]
name = "cow_hashbrown"
version = "0.14.21"
authors = ["Amanieu d'Antras <amanieu@gmail.com>", "John Sharratt <johnathan.sharratt@gmail.com>"]
description = "A Rust port of Google's SwissTable hash map with copy-on-write support"
license = "MIT OR Apache-2.0"
repository = "https://github.com/john-sharratt/cow_hashbrown"
readme = "README.md"
keywords = ["hash", "no_std", "hashmap", "swisstable", "cow"]
categories = ["data-structures", "no-std"]
exclude = [".github", "/ci/*"]
edition = "2021"
rust-version = "1.63.0"

[dependencies]
# For the default hasher
ahash = { version = "0.8.7", default-features = false, optional = true }

# For external trait impls
rayon = { version = "1.0", optional = true }
serde = { version = "1.0.25", default-features = false, optional = true }
rkyv = { version = "0.7.42", optional = true, default-features = false, features = [
    "alloc",
] }
borsh = { version = "1.5.0", default-features = false, optional = true, features = ["derive"]}

# When built as part of libstd
core = { version = "1.0.0", optional = true, package = "rustc-std-workspace-core" }
compiler_builtins = { version = "0.1.2", optional = true }
alloc = { version = "1.0.0", optional = true, package = "rustc-std-workspace-alloc" }

# Support for allocators that use allocator-api2
allocator-api2 = { version = "0.2.9", optional = true, default-features = false, features = [
    "alloc",
] }

# Equivalent trait which can be shared with other hash table implementations.
equivalent = { version = "1.0", optional = true, default-features = false }

# Adds support for COW operations
arc-swap = { package = "arc-swap-for-cow", version = "1" }
self_cell = "1"

[dev-dependencies]
lazy_static = "1.4"
rand = { version = "0.8.3", features = ["small_rng"] }
rayon = "1.0"
fnv = "1.0.7"
serde_test = "1.0"
doc-comment = "0.3.1"
bumpalo = { version = "3.13.0", features = ["allocator-api2"] }
rkyv = { version = "0.7.42", features = ["validation"] }

[features]
default = ["default-hasher", "inline-more", "allocator-api2", "equivalent"]

# Enables use of nightly features. This is only guaranteed to work on the latest
# version of nightly Rust.
nightly = ["allocator-api2?/nightly", "bumpalo/allocator_api"]

# Enables the RustcEntry API used to provide the standard library's Entry API.
rustc-internal-api = []

# Internal feature used when building as part of the standard library.
rustc-dep-of-std = [
    "nightly",
    "core",
    "compiler_builtins",
    "alloc",
    "rustc-internal-api",
]

# Enables the RawTable API.
raw = []

# Provides a default hasher. Currently this is AHash but this is subject to
# change in the future. Note that the default hasher does *not* provide HashDoS
# resistance, unlike the one in the standard library.
default-hasher = ["dep:ahash"]

# Enables usage of `#[inline]` on far more functions than by default in this
# crate. This may lead to a performance increase but often comes at a compile
# time cost.
inline-more = []

[package.metadata.docs.rs]
features = ["nightly", "rayon", "serde", "raw"]
rustdoc-args = ["--generate-link-to-definition"]