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• [DIR] ..
• [FILE] array.d.ts
• [FILE] array.js
• [FILE] ascii.d.ts
• [FILE] ascii.js
• [FILE] bigInt.d.ts
• [FILE] bigInt.js
• [FILE] bn.d.ts
• [FILE] bn.js
• [FILE] boolean.d.ts
• [FILE] boolean.js
• [FILE] buffer.d.ts
• [FILE] buffer.js
• [FILE] childClass.d.ts
• [FILE] childClass.js
• [FILE] class.d.ts
• [FILE] class.js
• [FILE] codec.d.ts
• [FILE] codec.js
• [FILE] compact.d.ts
• [FILE] compact.js
• [FILE] error.d.ts
• [FILE] error.js
• [FILE] function.d.ts
• [FILE] function.js
• [FILE] helpers.d.ts
• [FILE] helpers.js
• [FILE] hex.d.ts
• [FILE] hex.js
• [FILE] index.d.ts
• [FILE] index.js
• [FILE] instanceOf.d.ts
• [FILE] instanceOf.js
• [FILE] ip.d.ts
• [FILE] ip.js
• [FILE] jsonObject.d.ts
• [FILE] jsonObject.js
• [FILE] null.d.ts
• [FILE] null.js
• [FILE] number.d.ts
• [FILE] number.js
• [FILE] object.d.ts
• [FILE] object.js
• [FILE] observable.d.ts
• [FILE] observable.js
• [FILE] promise.d.ts
• [FILE] promise.js
• [FILE] riscv.d.ts
• [FILE] riscv.js
• [FILE] string.d.ts
• [FILE] string.js
• [FILE] testChain.d.ts
• [FILE] testChain.js
• [FILE] toBigInt.d.ts
• [FILE] toBigInt.js
• [FILE] toBn.d.ts
• [FILE] toBn.js
• [FILE] u8a.d.ts
• [FILE] u8a.js
• [FILE] undefined.d.ts
• [FILE] undefined.js
• [FILE] utf8.d.ts
• [FILE] utf8.js
• [FILE] wasm.d.ts
• [FILE] wasm.js

Просмотр файла: undefined.d.ts

/**
 * @name isUndefined
 * @summary Tests for a `undefined` values.
 * @description
 * Checks to see if the input value is `undefined`.
 * @example
 * <BR>
 *
 * ```javascript
 * import { isUndefined } from '@polkadot/util';
 *
 * console.log('isUndefined', isUndefined(void(0))); // => true
 * ```
 */
export declare function isUndefined(value?: unknown): value is undefined;

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