From 500cff20eb21b28359400b99a4dfda4009229b95 Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Sun, 10 May 2020 18:32:58 +0200
Subject: Separate Query and Mutation resolvers

Fixes #33 .
---
 docs/tutorial/tutorial.lhs | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

(limited to 'docs/tutorial/tutorial.lhs')

diff --git a/docs/tutorial/tutorial.lhs b/docs/tutorial/tutorial.lhs
index a10f861..edaf7f2 100644
--- a/docs/tutorial/tutorial.lhs
+++ b/docs/tutorial/tutorial.lhs
@@ -17,6 +17,8 @@ Since this file is a literate haskell file, we start by importing some dependenc
 > import Control.Monad.IO.Class (liftIO)
 > import Data.Aeson (encode)
 > import Data.ByteString.Lazy.Char8 (putStrLn)
+> import Data.HashMap.Strict (HashMap)
+> import qualified Data.HashMap.Strict as HashMap
 > import Data.List.NonEmpty (NonEmpty(..))
 > import Data.Text (Text)
 > import Data.Time (getCurrentTime)
@@ -33,8 +35,8 @@ example from [graphql.js](https://github.com/graphql/graphql-js).
 
 First we build a GraphQL schema.
 
-> schema1 :: NonEmpty (Schema.Resolver IO)
-> schema1 = hello :| []
+> schema1 :: HashMap Text (NonEmpty (Schema.Resolver IO))
+> schema1 = HashMap.singleton "Query" $ hello :| []
 >
 > hello :: Schema.Resolver IO
 > hello = Schema.scalar "hello" (return ("it's me" :: Text))
@@ -63,8 +65,8 @@ returning
 
 For this example, we're going to be using time.
 
-> schema2 :: NonEmpty (Schema.Resolver IO)
-> schema2 = time :| []
+> schema2 :: HashMap Text (NonEmpty (Schema.Resolver IO))
+> schema2 = HashMap.singleton "Query" $ time :| []
 >
 > time :: Schema.Resolver IO
 > time = Schema.scalar "time" $ do
@@ -122,8 +124,8 @@ This will fail
 
 Now that we have two resolvers, we can define a schema which uses them both.
 
-> schema3 :: NonEmpty (Schema.Resolver IO)
-> schema3 = hello :| [time]
+> schema3 :: HashMap Text (NonEmpty (Schema.Resolver IO))
+> schema3 = HashMap.singleton "Query" $ hello :| [time]
 >
 > query3 :: Text
 > query3 = "query timeAndHello { time hello }"
-- 
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