Expectation class

Represents an expectation for a validation result.

Constructors

Expectation({String? path, required String message, dynamic value, String? code, Map<String, Object?>? data})

const

Properties

code → String?

Optional machine‑readable code (e.g. 'type_mismatch', 'required_missing')

final

data → Map<String, Object?>?

Optional structured metadata (e.g. {'expectedType': 'String', 'foundType': 'int'})

final

description → String

Get a detailed description of the expectation.

no setter

hashCode → int

The hash code for this object.

no setter, inherited

message → String

final

path → String?

The path to the value being validated. i.e. 'user.name'

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

value → dynamic

final

Methods

addToPath(String additionalPath) → Expectation

Append additionalPath to the current path.

copyWith({String? path, String? message, dynamic value, String? code, Map<String, Object?>? data}) → Expectation

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toInvalidResult() → Result

Convenient method to convert the expectation to an invalid result.

toJson() → Map<String, Object?>

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited