Function domain

Constrains numbers and strings to an enumerated domain.

domain(values: readonly number[] | undefined): Validator<number>
Constrains numbers to an enumerated domain.

Checks the value against the admitted set.
Parameters
- values: readonly number[] | undefined
  The admitted values, or undefined to accept any value
Returns Validator<number>
A validator reporting a violation if the value is outside values
- Defined in functional/trace.ts:613
domain(values: readonly string[] | undefined): Validator<string>
Constrains strings to an enumerated domain.

Checks the value against the admitted set.
Parameters
- values: readonly string[] | undefined
  The admitted values, or undefined to accept any value
Returns Validator<string>
A validator reporting a violation if the value is outside values
- Defined in functional/trace.ts:624