From 5642ee106ac37982a84192cc2e7a694da3b4fc3f Mon Sep 17 00:00:00 2001
From: Tyler Schicke <tyler_schicke@brown.edu>
Date: Mon, 8 Jul 2019 13:40:09 -0400
Subject: Hopefully got rid of new Docs being created too frequently

---
 src/new_fields/Types.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/new_fields/Types.ts')

diff --git a/src/new_fields/Types.ts b/src/new_fields/Types.ts
index 8dd893aa4..39d384d64 100644
--- a/src/new_fields/Types.ts
+++ b/src/new_fields/Types.ts
@@ -45,9 +45,10 @@ export interface Interface {
     [key: string]: InterfaceValue;
     // [key: string]: ToConstructor<Field> | ListSpec<Field[]>;
 }
+export type WithoutRefField<T extends Field> = T extends RefField ? never : T;
 
 export function Cast<T extends ToConstructor<Field> | ListSpec<Field>>(field: FieldResult, ctor: T): FieldResult<ToType<T>>;
-export function Cast<T extends ToConstructor<Field> | ListSpec<Field>>(field: FieldResult, ctor: T, defaultVal: WithoutList<ToType<T>> | null): WithoutList<ToType<T>>;
+export function Cast<T extends ToConstructor<Field> | ListSpec<Field>>(field: FieldResult, ctor: T, defaultVal: WithoutList<WithoutRefField<ToType<T>>> | null): WithoutList<ToType<T>>;
 export function Cast<T extends ToConstructor<Field> | ListSpec<Field>>(field: FieldResult, ctor: T, defaultVal?: ToType<T> | null): FieldResult<ToType<T>> | undefined {
     if (field instanceof Promise) {
         return defaultVal === undefined ? field.then(f => Cast(f, ctor) as any) as any : defaultVal === null ? undefined : defaultVal;
-- 
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