007651cd26
Adds documentation for various things that I understand. Adds #[allow(missing_doc)] for lots of things that I don't understand.
110 lines
4.1 KiB
Rust
110 lines
4.1 KiB
Rust
// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
|
|
// file at the top-level directory of this distribution and at
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
// option. This file may not be copied, modified, or distributed
|
|
// except according to those terms.
|
|
|
|
//! Container traits
|
|
|
|
use option::Option;
|
|
|
|
/// A trait to represent the abstract idea of a container. The only concrete
|
|
/// knowledge known is the number of elements contained within.
|
|
pub trait Container {
|
|
/// Return the number of elements in the container
|
|
fn len(&const self) -> uint;
|
|
|
|
/// Return true if the container contains no elements
|
|
fn is_empty(&const self) -> bool;
|
|
}
|
|
|
|
/// A trait to represent mutable containers
|
|
pub trait Mutable: Container {
|
|
/// Clear the container, removing all values.
|
|
fn clear(&mut self);
|
|
}
|
|
|
|
/// A map is a key-value store where values may be looked up by their keys. This
|
|
/// trait provides basic operations to operate on these stores.
|
|
pub trait Map<K, V>: Mutable {
|
|
/// Return true if the map contains a value for the specified key
|
|
fn contains_key(&self, key: &K) -> bool;
|
|
|
|
/// Visits all keys and values
|
|
fn each<'a>(&'a self, f: &fn(&K, &'a V) -> bool) -> bool;
|
|
|
|
/// Visit all keys
|
|
fn each_key(&self, f: &fn(&K) -> bool) -> bool;
|
|
|
|
/// Visit all values
|
|
fn each_value<'a>(&'a self, f: &fn(&'a V) -> bool) -> bool;
|
|
|
|
/// Iterate over the map and mutate the contained values
|
|
fn mutate_values(&mut self, f: &fn(&K, &mut V) -> bool) -> bool;
|
|
|
|
/// Return a reference to the value corresponding to the key
|
|
fn find<'a>(&'a self, key: &K) -> Option<&'a V>;
|
|
|
|
/// Return a mutable reference to the value corresponding to the key
|
|
fn find_mut<'a>(&'a mut self, key: &K) -> Option<&'a mut V>;
|
|
|
|
/// Insert a key-value pair into the map. An existing value for a
|
|
/// key is replaced by the new value. Return true if the key did
|
|
/// not already exist in the map.
|
|
fn insert(&mut self, key: K, value: V) -> bool;
|
|
|
|
/// Remove a key-value pair from the map. Return true if the key
|
|
/// was present in the map, otherwise false.
|
|
fn remove(&mut self, key: &K) -> bool;
|
|
|
|
/// Insert a key-value pair from the map. If the key already had a value
|
|
/// present in the map, that value is returned. Otherwise None is returned.
|
|
fn swap(&mut self, k: K, v: V) -> Option<V>;
|
|
|
|
/// Removes a key from the map, returning the value at the key if the key
|
|
/// was previously in the map.
|
|
fn pop(&mut self, k: &K) -> Option<V>;
|
|
}
|
|
|
|
/// A set is a group of objects which are each distinct from one another. This
|
|
/// trait represents actions which can be performed on sets to manipulate and
|
|
/// iterate over them.
|
|
pub trait Set<T>: Mutable {
|
|
/// Return true if the set contains a value
|
|
fn contains(&self, value: &T) -> bool;
|
|
|
|
/// Add a value to the set. Return true if the value was not already
|
|
/// present in the set.
|
|
fn insert(&mut self, value: T) -> bool;
|
|
|
|
/// Remove a value from the set. Return true if the value was
|
|
/// present in the set.
|
|
fn remove(&mut self, value: &T) -> bool;
|
|
|
|
/// Return true if the set has no elements in common with `other`.
|
|
/// This is equivalent to checking for an empty intersection.
|
|
fn is_disjoint(&self, other: &Self) -> bool;
|
|
|
|
/// Return true if the set is a subset of another
|
|
fn is_subset(&self, other: &Self) -> bool;
|
|
|
|
/// Return true if the set is a superset of another
|
|
fn is_superset(&self, other: &Self) -> bool;
|
|
|
|
/// Visit the values representing the difference
|
|
fn difference(&self, other: &Self, f: &fn(&T) -> bool) -> bool;
|
|
|
|
/// Visit the values representing the symmetric difference
|
|
fn symmetric_difference(&self, other: &Self, f: &fn(&T) -> bool) -> bool;
|
|
|
|
/// Visit the values representing the intersection
|
|
fn intersection(&self, other: &Self, f: &fn(&T) -> bool) -> bool;
|
|
|
|
/// Visit the values representing the union
|
|
fn union(&self, other: &Self, f: &fn(&T) -> bool) -> bool;
|
|
}
|