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// @strict: true
interface Box<T> {
v: T;
}
interface ErrorResult {
readonly error: true
}
interface AsyncLoaderProps<TResult extends {}> {
readonly asyncLoad: () => Box<TResult>;
readonly children: (result: Exclude<TResult, ErrorResult>) => string;
}
class AsyncLoader<TResult extends {}> {
constructor(props: string, context: any);
constructor(props: AsyncLoaderProps<TResult>);
constructor(...args: any[]) {}
}
function load(): Box<{ success: true } | ErrorResult> {
return null as any;
}
new AsyncLoader({
asyncLoad: load,
children: result => result.success as any,
}); // should work fine
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