MapRules class abstract final

Factory class for creating Map validation rules.

Example

final settingsValidator = Validate.all<Map<String, dynamic>, String>([
  MapRules.hasKeys(['theme', 'language'], error: 'Missing settings'),
  MapRules.maxSize(20, error: 'Too many settings'),
]);

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited

Static Methods

hasKey<K, V, E>(K key, {required E error}) → Rule<Map<K, V>, E>
Validates that the map contains key.
hasKeys<K, V, E>(Iterable<K> keys, {required E error}) → Rule<Map<K, V>, E>
Validates that the map contains all keys.
maxSize<K, V, E>(int max, {required E error}) → Rule<Map<K, V>, E>
Validates that the map has at most max entries.
minSize<K, V, E>(int min, {required E error}) → Rule<Map<K, V>, E>
Validates that the map has at least min entries.
notEmpty<K, V, E>({required E error}) → Rule<Map<K, V>, E>
Validates that the map is not empty.