http: use optionals (finally)

examples/links_scraper.v

@@ -1,14 +1,7 @@
-// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
-// Use of this source code is governed by an MIT license
-// that can be found in the LICENSE file.
-
 import http
 
 fn main() {
-	html := http.get('https://news.ycombinator.com') or {
-		println('Failed fetching from URL')
-		return
-	}
+	html := http.get_text('https://news.ycombinator.com')  
 	mut pos := 0
 	for {
 		pos = html.index_after('https://', pos + 1)

examples/news_fetcher.v

@@ -37,7 +37,7 @@ fn (f mut Fetcher) fetch() {
 			println('failed to fetch data from /v0/item/${id}.json')
 			exit(1)
 		}
-		story := json.decode(Story, resp) or {
+		story := json.decode(Story, resp.text) or {
 			println('failed to decode a story')
 			exit(1)
 		}
@@ -52,7 +52,7 @@ fn main() {
 		println('failed to fetch data from /v0/topstories.json')
 		return
 	}
-	mut ids := json.decode([]int, resp) or {
+	mut ids := json.decode([]int, resp.text) or {
 		println('failed to decode topstories.json')
 		return
 	}