FormixExtensions<T, E> extension

Extension methods for Formix that provide ergonomic composition.

on

• Formix<T, E>

Methods

andThen(Formix<T, E> next) → Formix<T, E>

Available on Formix<T, E>, provided by the FormixExtensions extension

Chains this validator with next, running next only if this passes.

cached() → CachedFormix<T, E>

Available on Formix<T, E>, provided by the FormixExtensions extension

Wraps this validator with single-value caching.

lazy() → LazyFormix<T, E>

Available on Formix<T, E>, provided by the FormixExtensions extension

Creates a lazy validator that defers instantiation until first use.

lruCached({int maxSize = 10}) → LruCachedFormix<T, E>

Available on Formix<T, E>, provided by the FormixExtensions extension

Wraps this validator with LRU (Least Recently Used) caching.

mapError<E2>(E2 mapper(E error)) → Formix<T, E2>

Available on Formix<T, E>, provided by the FormixExtensions extension

Maps errors from type E to type E2.

optional({bool isEmpty(T value)?}) → Formix<T, E>

Available on Formix<T, E>, provided by the FormixExtensions extension

Makes this validator optional - skips validation when empty.

recover(T onError(List<E> errors)) → Formix<T, E>

Available on Formix<T, E>, provided by the FormixExtensions extension

Recovers from validation errors with a default value.

tap({void onValid(T value)?, void onInvalid(List<E> errors)?}) → Formix<T, E>

Available on Formix<T, E>, provided by the FormixExtensions extension

Applies side effects without affecting validation.

when(bool condition(T value)) → Formix<T, E>

Available on Formix<T, E>, provided by the FormixExtensions extension

Conditionally applies this validator based on condition.

whenNot(bool condition(T value)) → Formix<T, E>

Available on Formix<T, E>, provided by the FormixExtensions extension

Conditionally skips this validator based on condition.

withMessageFormatter(ErrorMessageFormatter<E> formatter) → Formix<T, String>

Available on Formix<T, E>, provided by the FormixExtensions extension

Maps errors to user-facing messages using formatter.