From df444357c153abf8daf87d9f80f4fe2bcfba00b9 Mon Sep 17 00:00:00 2001
From: Sam Wilkins <samwilkins333@gmail.com>
Date: Wed, 31 Jul 2019 13:40:47 -0400
Subject: filtering

---
 src/new_fields/Types.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'src/new_fields')

diff --git a/src/new_fields/Types.ts b/src/new_fields/Types.ts
index 565ae2ee3..09cbff25e 100644
--- a/src/new_fields/Types.ts
+++ b/src/new_fields/Types.ts
@@ -48,9 +48,11 @@ export interface Interface {
 }
 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<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 {
+export type CastCtor = ToConstructor<Field> | ListSpec<Field>;
+
+export function Cast<T extends CastCtor>(field: FieldResult, ctor: T): FieldResult<ToType<T>>;
+export function Cast<T extends CastCtor>(field: FieldResult, ctor: T, defaultVal: WithoutList<WithoutRefField<ToType<T>>> | null): WithoutList<ToType<T>>;
+export function Cast<T extends CastCtor>(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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