From d683cae6ffe644a9f63eea6cf3b7e59d2bde617b Mon Sep 17 00:00:00 2001
From: Allan Wang <me@allanwang.ca>
Date: Thu, 21 Dec 2017 02:16:34 -0500
Subject: Enhancement/fragment interface (#564)

* Begin fragment interfaces and themable contracts

* Prepare swiperefresh interface

* Snapshot

* Add compilable version

* Revamp once more

* Finalize layouts

* Cleanup
---
 app/src/main/kotlin/com/pitchedapps/frost/parsers/FrostParser.kt | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'app/src/main/kotlin/com/pitchedapps/frost/parsers/FrostParser.kt')

diff --git a/app/src/main/kotlin/com/pitchedapps/frost/parsers/FrostParser.kt b/app/src/main/kotlin/com/pitchedapps/frost/parsers/FrostParser.kt
index 9e247f1e..186633e5 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/parsers/FrostParser.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/parsers/FrostParser.kt
@@ -10,6 +10,8 @@ import org.jsoup.nodes.Document
  *
  * In all cases, parsing will be done from a JSoup document
  * Variants accepting strings are also permitted, and they will be converted to documents accordingly
+ * The return type must be nonnull if no parsing errors occurred, as null signifies a parse error
+ * If null really must be allowed, use Optionals
  */
 interface FrostParser<T> {
     /**
@@ -37,6 +39,7 @@ interface FrostParser<T> {
 }
 
 internal abstract class FrostParserBase<T> : FrostParser<T> {
+
     override final fun parse(text: String?): T? {
         text ?: return null
         val doc = textToDoc(text) ?: return null
-- 
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