IsTrueValidator class
IsTrueValidator checks if a boolean value is true.
- Implemented types
Constructors
- IsTrueValidator.new({String? customErrorMessage})
-
const
Properties
- customErrorMessage → String?
-
The custom error message for this validator.
final
- defaultErrorMessage → String
-
The default error message for this validator.
Can be overridden when creating an instance of the validator.
no setteroverride
- 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(
bool? value) → String? -
Takes the current value of the field
Returns a string with the error message if the value is invalid, otherwise
null
.override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited