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Contents
import type {IsEqual} from './is-equal';
/**
Returns a boolean for whether two given types are both true.
Use-case: Constructing complex conditional types where multiple conditions must be satisfied.
@example
```
import type {And} from 'type-fest';
And<true, true>;
//=> true
And<true, false>;
//=> false
```
@see {@link Or}
*/
export type And<A extends boolean, B extends boolean> = [A, B][number] extends true
? true
: true extends [IsEqual<A, false>, IsEqual<B, false>][number]
? false
: never;
Version data entries
28 entries across 28 versions & 2 rubygems