From e43a32baec80ebbcfed4d0330d0be50eb73434c7 Mon Sep 17 00:00:00 2001
From: Susan Cheng <susan.doggie@gmail.com>
Date: Sat, 2 May 2020 03:30:45 +0800
Subject: [PATCH] Fix force unwrap in PostgresDataDecoder (#184)

* Replace the force unwrap to throws

Things crash in here

* missing return
---
 Sources/PostgresKit/PostgresDataDecoder.swift | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Sources/PostgresKit/PostgresDataDecoder.swift b/Sources/PostgresKit/PostgresDataDecoder.swift
index 774c9f2d..11ccfdc0 100644
--- a/Sources/PostgresKit/PostgresDataDecoder.swift
+++ b/Sources/PostgresKit/PostgresDataDecoder.swift
@@ -139,7 +139,13 @@ public final class PostgresDataDecoder {
 
         func decode<T>(_ type: T.Type) throws -> T where T : Decodable {
             if let convertible = T.self as? PostgresDataConvertible.Type {
-                return convertible.init(postgresData: self.data)! as! T
+                guard let value = convertible.init(postgresData: data) else {
+                    throw DecodingError.typeMismatch(T.self, DecodingError.Context.init(
+                        codingPath: [],
+                        debugDescription: "Could not convert to \(T.self): \(data)"
+                    ))
+                }
+                return value as! T
             } else {
                 return try T.init(from: _Decoder(data: self.data, json: self.json))
             }