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lib.rs
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lib.rs
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//! Compile time optimized maps and sets.
//!
//! PHF data structures can be generated via the syntax extensions in the
//! `phf_macros` crate or via code generation in the `phf_codegen` crate. See
//! the documentation of those crates for more details.
#![doc(html_root_url="https://sfackler.github.io/rust-phf/doc/v0.7.18")]
#![warn(missing_docs)]
#![cfg_attr(feature = "core", no_std)]
#[cfg(not(feature = "core"))]
extern crate std as core;
extern crate phf_shared;
use core::ops::Deref;
pub use phf_shared::PhfHash;
#[doc(inline)]
pub use map::Map;
#[doc(inline)]
pub use set::Set;
#[doc(inline)]
pub use ordered_map::OrderedMap;
#[doc(inline)]
pub use ordered_set::OrderedSet;
pub mod map;
pub mod set;
pub mod ordered_map;
pub mod ordered_set;
// WARNING: this is not considered part of phf's public API and is subject to
// change at any time.
//
// Basically Cow, but with the Owned version conditionally compiled
#[doc(hidden)]
pub enum Slice<T: 'static> {
Static(&'static [T]),
#[cfg(not(feature = "core"))]
Dynamic(Vec<T>),
}
impl<T> Deref for Slice<T> {
type Target = [T];
fn deref(&self) -> &[T] {
match *self {
Slice::Static(t) => t,
#[cfg(not(feature = "core"))]
Slice::Dynamic(ref t) => t,
}
}
}