ValidatorBuilderFunction<T> typedef

ValidatorBuilderFunction<T> = FutureOr<ValidationResult?> Function(T? value)

A function type for building custom validators.

Parameters:

• value (T?): The value to validate.

Returns a FutureOr<ValidationResult?> that is null for valid values.

Implementation

typedef ValidatorBuilderFunction<T> = FutureOr<ValidationResult?> Function(
    T? value);