RequiredRule class final

Validates that all named fields are present in a map.

A field is considered present when its key exists in the map, even if the value is null.

Inheritance

Constructors

RequiredRule(List<String> fields)
const

Properties

fields → List<String>
final
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
validate(dynamic value, String path) → List<SchemaViolation>
Validates value at path and returns every violation found.
override

Operators

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