lowercase for arguments

example/generated.go

@@ -35,13 +35,13 @@ type getUserResponse = struct {
 // getUser gets the given user's name from their username.
 func getUser(ctx context.Context, client *graphql.Client, login string) (*getUserResponse, error) {
 	variables := map[string]interface{}{
-		"login": login,
+		"Login": login,
 	}
 
 	var retval getUserResponse
 	err := client.MakeRequest(ctx, `
-query getUser ($login: String!) {
+query getUser ($Login: String!) {
-	user(login: $login) {
+	user(login: $Login) {
 		theirName: name
 	}
 }

example/queries.graphql

@@ -5,8 +5,8 @@ query getViewer {
 }
 
 # getUser gets the given user's name from their username.
-query getUser($login: String!) {
+query getUser($Login: String!) {
-  user(login: $login) {
+  user(login: $Login) {
     theirName: name
   }
 }

generate/generate.go

@@ -52,11 +52,13 @@ type argument struct {
 }
 
 func fromASTArg(arg *ast.VariableDefinition, schema *ast.Schema) argument {
+	graphQLName := arg.Variable
+	firstRest := strings.SplitN(graphQLName, "", 2)
+	goName := strings.ToLower(firstRest[0]) + firstRest[1]
 	return argument{
-		GraphQLName: arg.Variable,
+		GraphQLName: graphQLName,
-		GoName:      arg.Variable, // TODO: normalize this to go-style
+		GoName:      goName,
 		GoType:      typeForInputType(arg.Type, schema),
-		// TODO: figure out what to do about defaults
 	}
 }