Merge pull request #671 from gabelevi/flow

Update to flow v0.38.0

Author: robzhu

package.json

@@ -69,7 +69,7 @@
     "eslint": "3.13.1",
     "eslint-plugin-babel": "4.0.0",
     "eslint-plugin-flowtype": "2.30.0",
-    "flow-bin": "0.37.4",
+    "flow-bin": "0.38.0",
     "isparta": "4.0.0",
     "mocha": "3.2.0",
     "sane": "1.5.0"

src/validation/rules/ArgumentsOfCorrectType.js

@@ -19,7 +19,7 @@ export function badValueMessage(
   argName: string,
   type: GraphQLType,
   value: string,
-  verboseErrors?: [string]
+  verboseErrors?: string[]
 ): string {
   const message = verboseErrors ? '\n' + verboseErrors.join('\n') : '';
   return (

src/validation/rules/DefaultValuesOfCorrectType.js

@@ -30,7 +30,7 @@ export function badValueForDefaultArgMessage(
   varName: string,
   type: GraphQLType,
   value: string,
-  verboseErrors?: [string]
+  verboseErrors?: string[]
 ): string {
   const message = verboseErrors ? '\n' + verboseErrors.join('\n') : '';
   return `Variable "$${varName}" of type "${String(type)}" has invalid ` +