fix for bug where arg.is was called twice.

Author: Dummy

dist/spec/issues/11.test.d.ts

@@ -0,0 +1 @@
+export {};

dist/spec/issues/11.test.js

@@ -1,8 +1,9 @@
-import { Context } from "src/Context";
+import { Context } from "../Context";
+import { FunctionState } from "./FunctionState";
 export declare type PropertyKey = string | number | symbol;
 export interface ContextState {
     onSwitchedTo?(context: Context): void;
-    apply(context: Context, args: any[]): any;
+    apply(context: Context, args: any[], matchingFunctionStates?: FunctionState[]): any;
     set(context: Context, property: PropertyKey, value: any): void;
     get(context: Context, property: PropertyKey): any;
 }

dist/spec/issues/11.test.js.map

@@ -11,7 +11,7 @@ export declare class FunctionState implements ContextState {
     readonly callCount: number;
     readonly property: string | number | symbol;
     constructor(_getPropertyState: GetPropertyState, ...args: any[]);
-    apply(context: Context, args: any[]): any;
+    apply(context: Context, args: any[], matchingFunctionStates: FunctionState[]): any;
     set(context: Context, property: PropertyKey, value: any): void;
     get(context: Context, property: PropertyKey): any;
 }