==(_:_:)

import Swift

@frozen struct Keys

A view of a dictionary’s keys.

@frozen struct Dictionary<Key, Value> where Key : Hashable

A collection whose elements are key-value pairs.

@frozen struct Bool

A value type whose instances are either true or false.

var count: Int { get }

The number of keys in the dictionary.

var debugDescription: String { get }

var description: String { get }

var endIndex: Dictionary<Key, Value>.Index { get }

var isEmpty: Bool { get }

var startIndex: Dictionary<Key, Value>.Index { get }

subscript(position: Dictionary<Key, Value>.Index) -> Dictionary<Key, Value>.Keys.Element { get }

func formIndex(after i: inout Dictionary<Key, Value>.Index)

func index(after i: Dictionary<Key, Value>.Index) -> Dictionary<Key, Value>.Index

func makeIterator() -> Dictionary<Key, Value>.Keys.Iterator

@frozen struct Iterator

typealias Element = Key

typealias SubSequence = Slice<Dictionary<Key, Value>.Keys>