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Module

x/typebox/src/typebox.ts>ExtendsUndefined.Check

JSON Schema Type Builder with Static Type Resolution for TypeScript
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function ExtendsUndefined.Check
import { ExtendsUndefined } from "https://deno.land/x/typebox@0.26.0-dev.1/src/typebox.ts";
const { Check } = ExtendsUndefined;

Fast undefined check for properties of type undefined

Returns

boolean