add docs and regenerate for GraphQLResultError

Author: designatednerd

Sources/Apollo/GraphQLExecutor.swift

@@ -24,10 +24,14 @@ struct GraphQLResolveInfo {
   }
 }
 
+/// An error which has occurred in processing a GraphQLResult
 public struct GraphQLResultError: Error, LocalizedError {
   let path: ResponsePath
+  
+  /// The error that occurred during parsing.
   public let underlying: Error
 
+  /// A description of the error which includes the path where the error occurred.
   public var errorDescription: String? {
     return "Error at path \"\(path))\": \(underlying)"
   }

docs/source/api/Apollo/README.md

@@ -29,6 +29,7 @@
 -   [GraphQLFragmentSpread](structs/GraphQLFragmentSpread/)
 -   [GraphQLHTTPResponseError](structs/GraphQLHTTPResponseError/)
 -   [GraphQLResult](structs/GraphQLResult/)
+-   [GraphQLResultError](structs/GraphQLResultError/)
 -   [GraphQLTypeCase](structs/GraphQLTypeCase/)
 -   [GraphQLTypeCondition](structs/GraphQLTypeCondition/)
 -   [GraphQLVariable](structs/GraphQLVariable/)

docs/source/api/Apollo/structs/GraphQLResultError.md

@@ -0,0 +1,26 @@
+**STRUCT**
+
+# `GraphQLResultError`
+
+```swift
+public struct GraphQLResultError: Error, LocalizedError
+```
+
+> An error which has occurred in processing a GraphQLResult
+
+## Properties
+### `underlying`
+
+```swift
+public let underlying: Error
+```
+
+> The error that occurred during parsing.
+
+### `errorDescription`
+
+```swift
+public var errorDescription: String?
+```
+
+> A description of the error which includes the path where the error occurred.