Function predicate

predicate<T>(
    parser: t<T>,
    f: (value: T) => boolean,
    reason?: string,
): (reader: Reader.Reader) => Result.Fail | Result.Ok<T>
Validates result with provided predicate.
Type Parameters
- T
Parameters
- parser: t<T>
- f: (value: T) => boolean
- reason: string = 'condition not met'
Returns (reader: Reader.Reader) => Result.Fail | Result.Ok<T>
- Defined in predicate.ts:6