diff options
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/tutorial/tutorial.lhs | 14 |
1 files changed, 8 insertions, 6 deletions
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 }" |