Rewrite the Bag.count implementation

This implementation is both short and fast in compilation times.
2016-06-02 11:30:56 +02:00 · 2016-06-02 11:30:56 +02:00 · ae9c8e3fd9
parent 00e0f5e689
commit ae9c8e3fd9
1 changed files with 1 additions and 4 deletions
--- a/RxSwift/DataStructures/Bag.swift
+++ b/RxSwift/DataStructures/Bag.swift
@ -152,10 +152,7 @@ public struct Bag<T> : CustomDebugStringConvertible {
    - returns: Number of elements in bag.
    */
    public var count: Int {
-        var dictionaryCount = 0
-        if let dc = _dictionary?.count {
-            dictionaryCount = dc
-        }
+        let dictionaryCount: Int = _dictionary?.count ?? 0
        return _pairs.count + (_value0 != nil ? 1 : 0) + (_value1 != nil ? 1 : 0) + dictionaryCount
    }