/** | |
* An error thrown when an Observable or a sequence was queried but has no | |
* elements. | |
* | |
* @see {@link first} | |
* @see {@link last} | |
* @see {@link single} | |
* | |
* @class EmptyError | |
*/ | |
export class EmptyError extends Error { | |
constructor() { | |
const err = super('no elements in sequence'); | |
this.name = err.name = 'EmptyError'; | |
this.stack = err.stack; | |
this.message = err.message; | |
} | |
} | |
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