From 554a42488ea0d0d984bbeae253f4bb6a64496967 Mon Sep 17 00:00:00 2001
From: Pavel Sharanda <edvaef@gmail.com>
Date: Fri, 21 Apr 2017 15:52:56 +0300
Subject: [PATCH] Receiver map

---
 Sources/Observable+Result.swift | 10 ++++++++++
 Sources/Receiver.swift          |  8 ++++++++
 2 files changed, 18 insertions(+)

diff --git a/Sources/Observable+Result.swift b/Sources/Observable+Result.swift
index 5a7d637..cfd723e 100644
--- a/Sources/Observable+Result.swift
+++ b/Sources/Observable+Result.swift
@@ -20,3 +20,13 @@ public extension Observable where ValueType: ResultConvertible {
     }
 }
 
+public extension Observable where ValueType: Error {
+
+    public var localizedDescription: Observer<String> {
+        return map { $0.localizedDescription }
+    }
+}
+
+
+
+
diff --git a/Sources/Receiver.swift b/Sources/Receiver.swift
index 14e6ac9..ace5520 100644
--- a/Sources/Receiver.swift
+++ b/Sources/Receiver.swift
@@ -21,6 +21,14 @@ public struct Receiver<T>: Bindable {
     }
 }
 
+extension Receiver {
+    public func map<U>(_ transform: @escaping (U) -> T) -> Receiver<U> {
+        return Receiver<U> {
+            self.update(transform($0))
+        }
+    }
+}
+
 extension Receiver where ValueType: Optionable {
     
     /**