Function failed

failed(r: RegexResult): r is { valid: false; err: string }
Whether a validation result indicates that the validation failed.

In addition to returning a boolean, the function narrows the type of the argument.
Parameters
- r: RegexResult
Returns r is { valid: false; err: string }
- Defined in tmgrammar-validate.ts:111
failed(r: GrammarResult): r is FailedGramRes
Whether a validation result indicates that the validation failed.

In addition to returning a boolean, the function narrows the type of the argument.
Parameters
- r: GrammarResult
Returns r is FailedGramRes
- Defined in tmgrammar-validate.ts:112